Home / 8,646.24-11,932.08-4,919.52

Finding the Fourth Proportional to 8,646.24, 11,932.08 and 4,919.52

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Solution

The fourth proportional to 8,646.24, 11,932.08 and 4,919.52 is: 6,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.24 : 11,932.08 = 4,919.52 : x
  2. Step 2: Convert to fraction form
    8,646.24/11,932.08 = 4,919.52/x
  3. Step 3: Cross multiply
    8,646.24x = 11,932.08 × 4,919.52
  4. Step 4: Simplify right side
    8,646.24x = 58,700,106.20
  5. Step 5: Solve for x
    x = 58,700,106.20/8,646.24
  6. Step 6: Final answer
    x = 6,789.09

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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.