Home / 8,784.52-13,178.08-2,939.76

Finding the Fourth Proportional to 8,784.52, 13,178.08 and 2,939.76

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Solution

The fourth proportional to 8,784.52, 13,178.08 and 2,939.76 is: 4,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.52 : 13,178.08 = 2,939.76 : x
  2. Step 2: Convert to fraction form
    8,784.52/13,178.08 = 2,939.76/x
  3. Step 3: Cross multiply
    8,784.52x = 13,178.08 × 2,939.76
  4. Step 4: Simplify right side
    8,784.52x = 38,740,392.46
  5. Step 5: Solve for x
    x = 38,740,392.46/8,784.52
  6. Step 6: Final answer
    x = 4,410.08

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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.