Home / 4,748.40-7,123.32-2,282.76

Finding the Fourth Proportional to 4,748.40, 7,123.32 and 2,282.76

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Solution

The fourth proportional to 4,748.40, 7,123.32 and 2,282.76 is: 3,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.40 : 7,123.32 = 2,282.76 : x
  2. Step 2: Convert to fraction form
    4,748.40/7,123.32 = 2,282.76/x
  3. Step 3: Cross multiply
    4,748.40x = 7,123.32 × 2,282.76
  4. Step 4: Simplify right side
    4,748.40x = 16,260,829.96
  5. Step 5: Solve for x
    x = 16,260,829.96/4,748.40
  6. Step 6: Final answer
    x = 3,424.49

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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.