Home / 5,666.32-8,499.84-2,378.88

Finding the Fourth Proportional to 5,666.32, 8,499.84 and 2,378.88

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Solution

The fourth proportional to 5,666.32, 8,499.84 and 2,378.88 is: 3,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.32 : 8,499.84 = 2,378.88 : x
  2. Step 2: Convert to fraction form
    5,666.32/8,499.84 = 2,378.88/x
  3. Step 3: Cross multiply
    5,666.32x = 8,499.84 × 2,378.88
  4. Step 4: Simplify right side
    5,666.32x = 20,220,099.38
  5. Step 5: Solve for x
    x = 20,220,099.38/5,666.32
  6. Step 6: Final answer
    x = 3,568.47

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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.