Home / 5,430.85-8,132.49-4,551.04

Finding the Fourth Proportional to 5,430.85, 8,132.49 and 4,551.04

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Solution

The fourth proportional to 5,430.85, 8,132.49 and 4,551.04 is: 6,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.85 : 8,132.49 = 4,551.04 : x
  2. Step 2: Convert to fraction form
    5,430.85/8,132.49 = 4,551.04/x
  3. Step 3: Cross multiply
    5,430.85x = 8,132.49 × 4,551.04
  4. Step 4: Simplify right side
    5,430.85x = 37,011,282.21
  5. Step 5: Solve for x
    x = 37,011,282.21/5,430.85
  6. Step 6: Final answer
    x = 6,815.01

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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.