Home / 4,901.75-7,353.01-1,391.70

Finding the Fourth Proportional to 4,901.75, 7,353.01 and 1,391.70

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Solution

The fourth proportional to 4,901.75, 7,353.01 and 1,391.70 is: 2,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.75 : 7,353.01 = 1,391.70 : x
  2. Step 2: Convert to fraction form
    4,901.75/7,353.01 = 1,391.70/x
  3. Step 3: Cross multiply
    4,901.75x = 7,353.01 × 1,391.70
  4. Step 4: Simplify right side
    4,901.75x = 10,233,184.02
  5. Step 5: Solve for x
    x = 10,233,184.02/4,901.75
  6. Step 6: Final answer
    x = 2,087.66

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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.