Home / 5,660.89-7,809.32-3,391.13

Finding the Fourth Proportional to 5,660.89, 7,809.32 and 3,391.13

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Solution

The fourth proportional to 5,660.89, 7,809.32 and 3,391.13 is: 4,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.89 : 7,809.32 = 3,391.13 : x
  2. Step 2: Convert to fraction form
    5,660.89/7,809.32 = 3,391.13/x
  3. Step 3: Cross multiply
    5,660.89x = 7,809.32 × 3,391.13
  4. Step 4: Simplify right side
    5,660.89x = 26,482,402.38
  5. Step 5: Solve for x
    x = 26,482,402.38/5,660.89
  6. Step 6: Final answer
    x = 4,678.14

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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.