Home / 7,964.52-10,988.10-4,819.56

Finding the Fourth Proportional to 7,964.52, 10,988.10 and 4,819.56

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Solution

The fourth proportional to 7,964.52, 10,988.10 and 4,819.56 is: 6,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.52 : 10,988.10 = 4,819.56 : x
  2. Step 2: Convert to fraction form
    7,964.52/10,988.10 = 4,819.56/x
  3. Step 3: Cross multiply
    7,964.52x = 10,988.10 × 4,819.56
  4. Step 4: Simplify right side
    7,964.52x = 52,957,807.24
  5. Step 5: Solve for x
    x = 52,957,807.24/7,964.52
  6. Step 6: Final answer
    x = 6,649.22

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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.