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Finding the Fourth Proportional to 6,293.68, 9,440.47 and 1,613.68

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Solution

The fourth proportional to 6,293.68, 9,440.47 and 1,613.68 is: 2,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.68 : 9,440.47 = 1,613.68 : x
  2. Step 2: Convert to fraction form
    6,293.68/9,440.47 = 1,613.68/x
  3. Step 3: Cross multiply
    6,293.68x = 9,440.47 × 1,613.68
  4. Step 4: Simplify right side
    6,293.68x = 15,233,897.63
  5. Step 5: Solve for x
    x = 15,233,897.63/6,293.68
  6. Step 6: Final answer
    x = 2,420.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.