Home / 5,660.16-7,809.28-3,175.68

Finding the Fourth Proportional to 5,660.16, 7,809.28 and 3,175.68

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Solution

The fourth proportional to 5,660.16, 7,809.28 and 3,175.68 is: 4,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.16 : 7,809.28 = 3,175.68 : x
  2. Step 2: Convert to fraction form
    5,660.16/7,809.28 = 3,175.68/x
  3. Step 3: Cross multiply
    5,660.16x = 7,809.28 × 3,175.68
  4. Step 4: Simplify right side
    5,660.16x = 24,799,774.31
  5. Step 5: Solve for x
    x = 24,799,774.31/5,660.16
  6. Step 6: Final answer
    x = 4,381.46

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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.