Home / 5,420.56-8,132.88-2,498.19

Finding the Fourth Proportional to 5,420.56, 8,132.88 and 2,498.19

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Solution

The fourth proportional to 5,420.56, 8,132.88 and 2,498.19 is: 3,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.56 : 8,132.88 = 2,498.19 : x
  2. Step 2: Convert to fraction form
    5,420.56/8,132.88 = 2,498.19/x
  3. Step 3: Cross multiply
    5,420.56x = 8,132.88 × 2,498.19
  4. Step 4: Simplify right side
    5,420.56x = 20,317,479.49
  5. Step 5: Solve for x
    x = 20,317,479.49/5,420.56
  6. Step 6: Final answer
    x = 3,748.23

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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.