Home / 7,248.88-10,000.02-4,891.78

Finding the Fourth Proportional to 7,248.88, 10,000.02 and 4,891.78

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Solution

The fourth proportional to 7,248.88, 10,000.02 and 4,891.78 is: 6,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.88 : 10,000.02 = 4,891.78 : x
  2. Step 2: Convert to fraction form
    7,248.88/10,000.02 = 4,891.78/x
  3. Step 3: Cross multiply
    7,248.88x = 10,000.02 × 4,891.78
  4. Step 4: Simplify right side
    7,248.88x = 48,917,897.84
  5. Step 5: Solve for x
    x = 48,917,897.84/7,248.88
  6. Step 6: Final answer
    x = 6,748.34

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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.