Home / 6,281.91-9,417.47-2,389.11

Finding the Fourth Proportional to 6,281.91, 9,417.47 and 2,389.11

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Solution

The fourth proportional to 6,281.91, 9,417.47 and 2,389.11 is: 3,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.91 : 9,417.47 = 2,389.11 : x
  2. Step 2: Convert to fraction form
    6,281.91/9,417.47 = 2,389.11/x
  3. Step 3: Cross multiply
    6,281.91x = 9,417.47 × 2,389.11
  4. Step 4: Simplify right side
    6,281.91x = 22,499,359.81
  5. Step 5: Solve for x
    x = 22,499,359.81/6,281.91
  6. Step 6: Final answer
    x = 3,581.61

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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.