Home / 4,988.52-7,484.63-2,490.80

Finding the Fourth Proportional to 4,988.52, 7,484.63 and 2,490.80

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Solution

The fourth proportional to 4,988.52, 7,484.63 and 2,490.80 is: 3,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.52 : 7,484.63 = 2,490.80 : x
  2. Step 2: Convert to fraction form
    4,988.52/7,484.63 = 2,490.80/x
  3. Step 3: Cross multiply
    4,988.52x = 7,484.63 × 2,490.80
  4. Step 4: Simplify right side
    4,988.52x = 18,642,666.53
  5. Step 5: Solve for x
    x = 18,642,666.53/4,988.52
  6. Step 6: Final answer
    x = 3,737.11

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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.