Home / 4,348.80-6,523.56-1,387.67

Finding the Fourth Proportional to 4,348.80, 6,523.56 and 1,387.67

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Solution

The fourth proportional to 4,348.80, 6,523.56 and 1,387.67 is: 2,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,348.80 : 6,523.56 = 1,387.67 : x
  2. Step 2: Convert to fraction form
    4,348.80/6,523.56 = 1,387.67/x
  3. Step 3: Cross multiply
    4,348.80x = 6,523.56 × 1,387.67
  4. Step 4: Simplify right side
    4,348.80x = 9,052,545.55
  5. Step 5: Solve for x
    x = 9,052,545.55/4,348.80
  6. Step 6: Final answer
    x = 2,081.62

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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.