Home / 7,638.11-10,541.01-4,280.73

Finding the Fourth Proportional to 7,638.11, 10,541.01 and 4,280.73

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Solution

The fourth proportional to 7,638.11, 10,541.01 and 4,280.73 is: 5,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.11 : 10,541.01 = 4,280.73 : x
  2. Step 2: Convert to fraction form
    7,638.11/10,541.01 = 4,280.73/x
  3. Step 3: Cross multiply
    7,638.11x = 10,541.01 × 4,280.73
  4. Step 4: Simplify right side
    7,638.11x = 45,123,217.74
  5. Step 5: Solve for x
    x = 45,123,217.74/7,638.11
  6. Step 6: Final answer
    x = 5,907.64

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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.