Home / 8,727.80-12,044.39-4,748.91

Finding the Fourth Proportional to 8,727.80, 12,044.39 and 4,748.91

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Solution

The fourth proportional to 8,727.80, 12,044.39 and 4,748.91 is: 6,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.80 : 12,044.39 = 4,748.91 : x
  2. Step 2: Convert to fraction form
    8,727.80/12,044.39 = 4,748.91/x
  3. Step 3: Cross multiply
    8,727.80x = 12,044.39 × 4,748.91
  4. Step 4: Simplify right side
    8,727.80x = 57,197,700.37
  5. Step 5: Solve for x
    x = 57,197,700.37/8,727.80
  6. Step 6: Final answer
    x = 6,553.51

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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.