Home / 8,911.08-13,367.84-3,715.76

Finding the Fourth Proportional to 8,911.08, 13,367.84 and 3,715.76

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Solution

The fourth proportional to 8,911.08, 13,367.84 and 3,715.76 is: 5,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.08 : 13,367.84 = 3,715.76 : x
  2. Step 2: Convert to fraction form
    8,911.08/13,367.84 = 3,715.76/x
  3. Step 3: Cross multiply
    8,911.08x = 13,367.84 × 3,715.76
  4. Step 4: Simplify right side
    8,911.08x = 49,671,685.16
  5. Step 5: Solve for x
    x = 49,671,685.16/8,911.08
  6. Step 6: Final answer
    x = 5,574.15

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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.