Home / 7,159.80-10,737.06-2,478.60

Finding the Fourth Proportional to 7,159.80, 10,737.06 and 2,478.60

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Solution

The fourth proportional to 7,159.80, 10,737.06 and 2,478.60 is: 3,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.80 : 10,737.06 = 2,478.60 : x
  2. Step 2: Convert to fraction form
    7,159.80/10,737.06 = 2,478.60/x
  3. Step 3: Cross multiply
    7,159.80x = 10,737.06 × 2,478.60
  4. Step 4: Simplify right side
    7,159.80x = 26,612,876.92
  5. Step 5: Solve for x
    x = 26,612,876.92/7,159.80
  6. Step 6: Final answer
    x = 3,716.99

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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.