Home / 5,527.36-8,279.52-4,290.40

Finding the Fourth Proportional to 5,527.36, 8,279.52 and 4,290.40

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Solution

The fourth proportional to 5,527.36, 8,279.52 and 4,290.40 is: 6,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.36 : 8,279.52 = 4,290.40 : x
  2. Step 2: Convert to fraction form
    5,527.36/8,279.52 = 4,290.40/x
  3. Step 3: Cross multiply
    5,527.36x = 8,279.52 × 4,290.40
  4. Step 4: Simplify right side
    5,527.36x = 35,522,452.61
  5. Step 5: Solve for x
    x = 35,522,452.61/5,527.36
  6. Step 6: Final answer
    x = 6,426.66

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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.