Home / 5,885-8,121.28-3,232.40

Finding the Fourth Proportional to 5,885, 8,121.28 and 3,232.40

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Solution

The fourth proportional to 5,885, 8,121.28 and 3,232.40 is: 4,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885 : 8,121.28 = 3,232.40 : x
  2. Step 2: Convert to fraction form
    5,885/8,121.28 = 3,232.40/x
  3. Step 3: Cross multiply
    5,885x = 8,121.28 × 3,232.40
  4. Step 4: Simplify right side
    5,885x = 26,251,225.47
  5. Step 5: Solve for x
    x = 26,251,225.47/5,885
  6. Step 6: Final answer
    x = 4,460.70

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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.