Home / 7,386.09-10,189.90-4,548.55

Finding the Fourth Proportional to 7,386.09, 10,189.90 and 4,548.55

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Solution

The fourth proportional to 7,386.09, 10,189.90 and 4,548.55 is: 6,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.09 : 10,189.90 = 4,548.55 : x
  2. Step 2: Convert to fraction form
    7,386.09/10,189.90 = 4,548.55/x
  3. Step 3: Cross multiply
    7,386.09x = 10,189.90 × 4,548.55
  4. Step 4: Simplify right side
    7,386.09x = 46,349,240.30
  5. Step 5: Solve for x
    x = 46,349,240.30/7,386.09
  6. Step 6: Final answer
    x = 6,275.20

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.