Home / 5,430.93-8,140.82-2,471.43

Finding the Fourth Proportional to 5,430.93, 8,140.82 and 2,471.43

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Solution

The fourth proportional to 5,430.93, 8,140.82 and 2,471.43 is: 3,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.93 : 8,140.82 = 2,471.43 : x
  2. Step 2: Convert to fraction form
    5,430.93/8,140.82 = 2,471.43/x
  3. Step 3: Cross multiply
    5,430.93x = 8,140.82 × 2,471.43
  4. Step 4: Simplify right side
    5,430.93x = 20,119,454.42
  5. Step 5: Solve for x
    x = 20,119,454.42/5,430.93
  6. Step 6: Final answer
    x = 3,704.61

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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.