Home / 6,143.78-9,214.29-2,445.01

Finding the Fourth Proportional to 6,143.78, 9,214.29 and 2,445.01

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Solution

The fourth proportional to 6,143.78, 9,214.29 and 2,445.01 is: 3,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.78 : 9,214.29 = 2,445.01 : x
  2. Step 2: Convert to fraction form
    6,143.78/9,214.29 = 2,445.01/x
  3. Step 3: Cross multiply
    6,143.78x = 9,214.29 × 2,445.01
  4. Step 4: Simplify right side
    6,143.78x = 22,529,008.16
  5. Step 5: Solve for x
    x = 22,529,008.16/6,143.78
  6. Step 6: Final answer
    x = 3,666.96

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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.