Home / 4,607.28-6,913.61-1,938.68

Finding the Fourth Proportional to 4,607.28, 6,913.61 and 1,938.68

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Solution

The fourth proportional to 4,607.28, 6,913.61 and 1,938.68 is: 2,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.28 : 6,913.61 = 1,938.68 : x
  2. Step 2: Convert to fraction form
    4,607.28/6,913.61 = 1,938.68/x
  3. Step 3: Cross multiply
    4,607.28x = 6,913.61 × 1,938.68
  4. Step 4: Simplify right side
    4,607.28x = 13,403,233.17
  5. Step 5: Solve for x
    x = 13,403,233.17/4,607.28
  6. Step 6: Final answer
    x = 2,909.14

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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.