Home / 8,938.28-13,406.40-2,365.04

Finding the Fourth Proportional to 8,938.28, 13,406.40 and 2,365.04

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Solution

The fourth proportional to 8,938.28, 13,406.40 and 2,365.04 is: 3,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.28 : 13,406.40 = 2,365.04 : x
  2. Step 2: Convert to fraction form
    8,938.28/13,406.40 = 2,365.04/x
  3. Step 3: Cross multiply
    8,938.28x = 13,406.40 × 2,365.04
  4. Step 4: Simplify right side
    8,938.28x = 31,706,672.26
  5. Step 5: Solve for x
    x = 31,706,672.26/8,938.28
  6. Step 6: Final answer
    x = 3,547.29

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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.