Home / 7,385.89-10,193.49-4,242.10

Finding the Fourth Proportional to 7,385.89, 10,193.49 and 4,242.10

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Solution

The fourth proportional to 7,385.89, 10,193.49 and 4,242.10 is: 5,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.89 : 10,193.49 = 4,242.10 : x
  2. Step 2: Convert to fraction form
    7,385.89/10,193.49 = 4,242.10/x
  3. Step 3: Cross multiply
    7,385.89x = 10,193.49 × 4,242.10
  4. Step 4: Simplify right side
    7,385.89x = 43,241,803.93
  5. Step 5: Solve for x
    x = 43,241,803.93/7,385.89
  6. Step 6: Final answer
    x = 5,854.65

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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.