Home / 5,670.34-7,825.60-3,432.78

Finding the Fourth Proportional to 5,670.34, 7,825.60 and 3,432.78

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Solution

The fourth proportional to 5,670.34, 7,825.60 and 3,432.78 is: 4,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.34 : 7,825.60 = 3,432.78 : x
  2. Step 2: Convert to fraction form
    5,670.34/7,825.60 = 3,432.78/x
  3. Step 3: Cross multiply
    5,670.34x = 7,825.60 × 3,432.78
  4. Step 4: Simplify right side
    5,670.34x = 26,863,563.17
  5. Step 5: Solve for x
    x = 26,863,563.17/5,670.34
  6. Step 6: Final answer
    x = 4,737.56

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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.