Home / 5,340.20-8,010.30-4,713.80

Finding the Fourth Proportional to 5,340.20, 8,010.30 and 4,713.80

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Solution

The fourth proportional to 5,340.20, 8,010.30 and 4,713.80 is: 7,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.20 : 8,010.30 = 4,713.80 : x
  2. Step 2: Convert to fraction form
    5,340.20/8,010.30 = 4,713.80/x
  3. Step 3: Cross multiply
    5,340.20x = 8,010.30 × 4,713.80
  4. Step 4: Simplify right side
    5,340.20x = 37,758,952.14
  5. Step 5: Solve for x
    x = 37,758,952.14/5,340.20
  6. Step 6: Final answer
    x = 7,070.70

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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.