Home / 5,434.24-8,152.64-1,538.56

Finding the Fourth Proportional to 5,434.24, 8,152.64 and 1,538.56

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Solution

The fourth proportional to 5,434.24, 8,152.64 and 1,538.56 is: 2,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.24 : 8,152.64 = 1,538.56 : x
  2. Step 2: Convert to fraction form
    5,434.24/8,152.64 = 1,538.56/x
  3. Step 3: Cross multiply
    5,434.24x = 8,152.64 × 1,538.56
  4. Step 4: Simplify right side
    5,434.24x = 12,543,325.80
  5. Step 5: Solve for x
    x = 12,543,325.80/5,434.24
  6. Step 6: Final answer
    x = 2,308.20

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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.