Home / 4,753.17-7,130.32-1,981.72

Finding the Fourth Proportional to 4,753.17, 7,130.32 and 1,981.72

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Solution

The fourth proportional to 4,753.17, 7,130.32 and 1,981.72 is: 2,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.17 : 7,130.32 = 1,981.72 : x
  2. Step 2: Convert to fraction form
    4,753.17/7,130.32 = 1,981.72/x
  3. Step 3: Cross multiply
    4,753.17x = 7,130.32 × 1,981.72
  4. Step 4: Simplify right side
    4,753.17x = 14,130,297.75
  5. Step 5: Solve for x
    x = 14,130,297.75/4,753.17
  6. Step 6: Final answer
    x = 2,972.82

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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.