Home / 5,623.20-8,434.98-2,700.90

Finding the Fourth Proportional to 5,623.20, 8,434.98 and 2,700.90

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Solution

The fourth proportional to 5,623.20, 8,434.98 and 2,700.90 is: 4,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.20 : 8,434.98 = 2,700.90 : x
  2. Step 2: Convert to fraction form
    5,623.20/8,434.98 = 2,700.90/x
  3. Step 3: Cross multiply
    5,623.20x = 8,434.98 × 2,700.90
  4. Step 4: Simplify right side
    5,623.20x = 22,782,037.48
  5. Step 5: Solve for x
    x = 22,782,037.48/5,623.20
  6. Step 6: Final answer
    x = 4,051.44

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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.