Home / 5,152.74-7,108.12-3,261.12

Finding the Fourth Proportional to 5,152.74, 7,108.12 and 3,261.12

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Solution

The fourth proportional to 5,152.74, 7,108.12 and 3,261.12 is: 4,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.74 : 7,108.12 = 3,261.12 : x
  2. Step 2: Convert to fraction form
    5,152.74/7,108.12 = 3,261.12/x
  3. Step 3: Cross multiply
    5,152.74x = 7,108.12 × 3,261.12
  4. Step 4: Simplify right side
    5,152.74x = 23,180,432.29
  5. Step 5: Solve for x
    x = 23,180,432.29/5,152.74
  6. Step 6: Final answer
    x = 4,498.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.