Home / 8,935.00-12,330.85-5,158.86

Finding the Fourth Proportional to 8,935.00, 12,330.85 and 5,158.86

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Solution

The fourth proportional to 8,935.00, 12,330.85 and 5,158.86 is: 7,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.00 : 12,330.85 = 5,158.86 : x
  2. Step 2: Convert to fraction form
    8,935.00/12,330.85 = 5,158.86/x
  3. Step 3: Cross multiply
    8,935.00x = 12,330.85 × 5,158.86
  4. Step 4: Simplify right side
    8,935.00x = 63,613,067.18
  5. Step 5: Solve for x
    x = 63,613,067.18/8,935.00
  6. Step 6: Final answer
    x = 7,119.54

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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.