Home / 8,959.16-13,444.86-3,115.76

Finding the Fourth Proportional to 8,959.16, 13,444.86 and 3,115.76

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Solution

The fourth proportional to 8,959.16, 13,444.86 and 3,115.76 is: 4,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.16 : 13,444.86 = 3,115.76 : x
  2. Step 2: Convert to fraction form
    8,959.16/13,444.86 = 3,115.76/x
  3. Step 3: Cross multiply
    8,959.16x = 13,444.86 × 3,115.76
  4. Step 4: Simplify right side
    8,959.16x = 41,890,956.99
  5. Step 5: Solve for x
    x = 41,890,956.99/8,959.16
  6. Step 6: Final answer
    x = 4,675.77

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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.