Home / 4,748.19-7,123.82-2,283.20

Finding the Fourth Proportional to 4,748.19, 7,123.82 and 2,283.20

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Solution

The fourth proportional to 4,748.19, 7,123.82 and 2,283.20 is: 3,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.19 : 7,123.82 = 2,283.20 : x
  2. Step 2: Convert to fraction form
    4,748.19/7,123.82 = 2,283.20/x
  3. Step 3: Cross multiply
    4,748.19x = 7,123.82 × 2,283.20
  4. Step 4: Simplify right side
    4,748.19x = 16,265,094.41
  5. Step 5: Solve for x
    x = 16,265,094.41/4,748.19
  6. Step 6: Final answer
    x = 3,425.54

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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.