Home / 5,527.90-8,279.70-4,434.40

Finding the Fourth Proportional to 5,527.90, 8,279.70 and 4,434.40

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Solution

The fourth proportional to 5,527.90, 8,279.70 and 4,434.40 is: 6,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.90 : 8,279.70 = 4,434.40 : x
  2. Step 2: Convert to fraction form
    5,527.90/8,279.70 = 4,434.40/x
  3. Step 3: Cross multiply
    5,527.90x = 8,279.70 × 4,434.40
  4. Step 4: Simplify right side
    5,527.90x = 36,715,501.68
  5. Step 5: Solve for x
    x = 36,715,501.68/5,527.90
  6. Step 6: Final answer
    x = 6,641.85

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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.