Home / 5,340.71-8,011.07-1,877.15

Finding the Fourth Proportional to 5,340.71, 8,011.07 and 1,877.15

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Solution

The fourth proportional to 5,340.71, 8,011.07 and 1,877.15 is: 2,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.71 : 8,011.07 = 1,877.15 : x
  2. Step 2: Convert to fraction form
    5,340.71/8,011.07 = 1,877.15/x
  3. Step 3: Cross multiply
    5,340.71x = 8,011.07 × 1,877.15
  4. Step 4: Simplify right side
    5,340.71x = 15,037,980.05
  5. Step 5: Solve for x
    x = 15,037,980.05/5,340.71
  6. Step 6: Final answer
    x = 2,815.73

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Similar ratio
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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.