Home / 4,988.70-7,474.86-3,524.76

Finding the Fourth Proportional to 4,988.70, 7,474.86 and 3,524.76

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Solution

The fourth proportional to 4,988.70, 7,474.86 and 3,524.76 is: 5,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.70 : 7,474.86 = 3,524.76 : x
  2. Step 2: Convert to fraction form
    4,988.70/7,474.86 = 3,524.76/x
  3. Step 3: Cross multiply
    4,988.70x = 7,474.86 × 3,524.76
  4. Step 4: Simplify right side
    4,988.70x = 26,347,087.53
  5. Step 5: Solve for x
    x = 26,347,087.53/4,988.70
  6. Step 6: Final answer
    x = 5,281.35

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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.