Home / 7,381.15-10,185.75-4,023.91

Finding the Fourth Proportional to 7,381.15, 10,185.75 and 4,023.91

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Solution

The fourth proportional to 7,381.15, 10,185.75 and 4,023.91 is: 5,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.15 : 10,185.75 = 4,023.91 : x
  2. Step 2: Convert to fraction form
    7,381.15/10,185.75 = 4,023.91/x
  3. Step 3: Cross multiply
    7,381.15x = 10,185.75 × 4,023.91
  4. Step 4: Simplify right side
    7,381.15x = 40,986,541.28
  5. Step 5: Solve for x
    x = 40,986,541.28/7,381.15
  6. Step 6: Final answer
    x = 5,552.87

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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.