Home / 7,130.05-10,695.08-1,935.92

Finding the Fourth Proportional to 7,130.05, 10,695.08 and 1,935.92

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Solution

The fourth proportional to 7,130.05, 10,695.08 and 1,935.92 is: 2,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.05 : 10,695.08 = 1,935.92 : x
  2. Step 2: Convert to fraction form
    7,130.05/10,695.08 = 1,935.92/x
  3. Step 3: Cross multiply
    7,130.05x = 10,695.08 × 1,935.92
  4. Step 4: Simplify right side
    7,130.05x = 20,704,819.27
  5. Step 5: Solve for x
    x = 20,704,819.27/7,130.05
  6. Step 6: Final answer
    x = 2,903.88

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Similar ratio
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1.5x scale

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.