Home / 5,434.35-8,156.14-2,970.90

Finding the Fourth Proportional to 5,434.35, 8,156.14 and 2,970.90

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Solution

The fourth proportional to 5,434.35, 8,156.14 and 2,970.90 is: 4,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.35 : 8,156.14 = 2,970.90 : x
  2. Step 2: Convert to fraction form
    5,434.35/8,156.14 = 2,970.90/x
  3. Step 3: Cross multiply
    5,434.35x = 8,156.14 × 2,970.90
  4. Step 4: Simplify right side
    5,434.35x = 24,231,108.55
  5. Step 5: Solve for x
    x = 24,231,108.55/5,434.35
  6. Step 6: Final answer
    x = 4,458.88

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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.