Home / 5,432.98-8,148.62-2,100.76

Finding the Fourth Proportional to 5,432.98, 8,148.62 and 2,100.76

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Solution

The fourth proportional to 5,432.98, 8,148.62 and 2,100.76 is: 3,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.98 : 8,148.62 = 2,100.76 : x
  2. Step 2: Convert to fraction form
    5,432.98/8,148.62 = 2,100.76/x
  3. Step 3: Cross multiply
    5,432.98x = 8,148.62 × 2,100.76
  4. Step 4: Simplify right side
    5,432.98x = 17,118,294.95
  5. Step 5: Solve for x
    x = 17,118,294.95/5,432.98
  6. Step 6: Final answer
    x = 3,150.81

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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.