Home / 8,839.98-12,200.49-5,304.06

Finding the Fourth Proportional to 8,839.98, 12,200.49 and 5,304.06

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Solution

The fourth proportional to 8,839.98, 12,200.49 and 5,304.06 is: 7,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.98 : 12,200.49 = 5,304.06 : x
  2. Step 2: Convert to fraction form
    8,839.98/12,200.49 = 5,304.06/x
  3. Step 3: Cross multiply
    8,839.98x = 12,200.49 × 5,304.06
  4. Step 4: Simplify right side
    8,839.98x = 64,712,130.99
  5. Step 5: Solve for x
    x = 64,712,130.99/8,839.98
  6. Step 6: Final answer
    x = 7,320.39

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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.