Home / 4,901.79-7,353.91-1,391.81

Finding the Fourth Proportional to 4,901.79, 7,353.91 and 1,391.81

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Solution

The fourth proportional to 4,901.79, 7,353.91 and 1,391.81 is: 2,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.79 : 7,353.91 = 1,391.81 : x
  2. Step 2: Convert to fraction form
    4,901.79/7,353.91 = 1,391.81/x
  3. Step 3: Cross multiply
    4,901.79x = 7,353.91 × 1,391.81
  4. Step 4: Simplify right side
    4,901.79x = 10,235,245.48
  5. Step 5: Solve for x
    x = 10,235,245.48/4,901.79
  6. Step 6: Final answer
    x = 2,088.06

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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.