Home / 7,646.46-11,451.17-3,888.36

Finding the Fourth Proportional to 7,646.46, 11,451.17 and 3,888.36

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Solution

The fourth proportional to 7,646.46, 11,451.17 and 3,888.36 is: 5,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.46 : 11,451.17 = 3,888.36 : x
  2. Step 2: Convert to fraction form
    7,646.46/11,451.17 = 3,888.36/x
  3. Step 3: Cross multiply
    7,646.46x = 11,451.17 × 3,888.36
  4. Step 4: Simplify right side
    7,646.46x = 44,526,281.10
  5. Step 5: Solve for x
    x = 44,526,281.10/7,646.46
  6. Step 6: Final answer
    x = 5,823.12

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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.