Home / 5,424.90-8,118.45-3,235.20

Finding the Fourth Proportional to 5,424.90, 8,118.45 and 3,235.20

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Solution

The fourth proportional to 5,424.90, 8,118.45 and 3,235.20 is: 4,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.90 : 8,118.45 = 3,235.20 : x
  2. Step 2: Convert to fraction form
    5,424.90/8,118.45 = 3,235.20/x
  3. Step 3: Cross multiply
    5,424.90x = 8,118.45 × 3,235.20
  4. Step 4: Simplify right side
    5,424.90x = 26,264,809.44
  5. Step 5: Solve for x
    x = 26,264,809.44/5,424.90
  6. Step 6: Final answer
    x = 4,841.53

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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.