Home / 4,680.78-6,459.87-2,585.28

Finding the Fourth Proportional to 4,680.78, 6,459.87 and 2,585.28

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Solution

The fourth proportional to 4,680.78, 6,459.87 and 2,585.28 is: 3,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.78 : 6,459.87 = 2,585.28 : x
  2. Step 2: Convert to fraction form
    4,680.78/6,459.87 = 2,585.28/x
  3. Step 3: Cross multiply
    4,680.78x = 6,459.87 × 2,585.28
  4. Step 4: Simplify right side
    4,680.78x = 16,700,572.71
  5. Step 5: Solve for x
    x = 16,700,572.71/4,680.78
  6. Step 6: Final answer
    x = 3,567.90

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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.