Home / 7,381.92-10,187.10-4,399.26

Finding the Fourth Proportional to 7,381.92, 10,187.10 and 4,399.26

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Solution

The fourth proportional to 7,381.92, 10,187.10 and 4,399.26 is: 6,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.92 : 10,187.10 = 4,399.26 : x
  2. Step 2: Convert to fraction form
    7,381.92/10,187.10 = 4,399.26/x
  3. Step 3: Cross multiply
    7,381.92x = 10,187.10 × 4,399.26
  4. Step 4: Simplify right side
    7,381.92x = 44,815,701.55
  5. Step 5: Solve for x
    x = 44,815,701.55/7,381.92
  6. Step 6: Final answer
    x = 6,071.01

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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.