Home / 5,561.40-8,350.20-4,330.20

Finding the Fourth Proportional to 5,561.40, 8,350.20 and 4,330.20

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Solution

The fourth proportional to 5,561.40, 8,350.20 and 4,330.20 is: 6,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.40 : 8,350.20 = 4,330.20 : x
  2. Step 2: Convert to fraction form
    5,561.40/8,350.20 = 4,330.20/x
  3. Step 3: Cross multiply
    5,561.40x = 8,350.20 × 4,330.20
  4. Step 4: Simplify right side
    5,561.40x = 36,158,036.04
  5. Step 5: Solve for x
    x = 36,158,036.04/5,561.40
  6. Step 6: Final answer
    x = 6,501.61

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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.