Home / 5,423.14-8,134.51-1,527.45

Finding the Fourth Proportional to 5,423.14, 8,134.51 and 1,527.45

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Solution

The fourth proportional to 5,423.14, 8,134.51 and 1,527.45 is: 2,291.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.14 : 8,134.51 = 1,527.45 : x
  2. Step 2: Convert to fraction form
    5,423.14/8,134.51 = 1,527.45/x
  3. Step 3: Cross multiply
    5,423.14x = 8,134.51 × 1,527.45
  4. Step 4: Simplify right side
    5,423.14x = 12,425,057.30
  5. Step 5: Solve for x
    x = 12,425,057.30/5,423.14
  6. Step 6: Final answer
    x = 2,291.12

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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.