Home / 5,456.91-7,527.96-3,689.13

Finding the Fourth Proportional to 5,456.91, 7,527.96 and 3,689.13

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Solution

The fourth proportional to 5,456.91, 7,527.96 and 3,689.13 is: 5,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.91 : 7,527.96 = 3,689.13 : x
  2. Step 2: Convert to fraction form
    5,456.91/7,527.96 = 3,689.13/x
  3. Step 3: Cross multiply
    5,456.91x = 7,527.96 × 3,689.13
  4. Step 4: Simplify right side
    5,456.91x = 27,771,623.07
  5. Step 5: Solve for x
    x = 27,771,623.07/5,456.91
  6. Step 6: Final answer
    x = 5,089.26

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1.5x scale

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.