Home / 4,901.50-7,352.25-1,438.75

Finding the Fourth Proportional to 4,901.50, 7,352.25 and 1,438.75

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Solution

The fourth proportional to 4,901.50, 7,352.25 and 1,438.75 is: 2,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.50 : 7,352.25 = 1,438.75 : x
  2. Step 2: Convert to fraction form
    4,901.50/7,352.25 = 1,438.75/x
  3. Step 3: Cross multiply
    4,901.50x = 7,352.25 × 1,438.75
  4. Step 4: Simplify right side
    4,901.50x = 10,578,049.69
  5. Step 5: Solve for x
    x = 10,578,049.69/4,901.50
  6. Step 6: Final answer
    x = 2,158.13

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Double scale
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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.