Home / 7,385.45-10,192.07-4,242.65

Finding the Fourth Proportional to 7,385.45, 10,192.07 and 4,242.65

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Solution

The fourth proportional to 7,385.45, 10,192.07 and 4,242.65 is: 5,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.45 : 10,192.07 = 4,242.65 : x
  2. Step 2: Convert to fraction form
    7,385.45/10,192.07 = 4,242.65/x
  3. Step 3: Cross multiply
    7,385.45x = 10,192.07 × 4,242.65
  4. Step 4: Simplify right side
    7,385.45x = 43,241,345.43
  5. Step 5: Solve for x
    x = 43,241,345.43/7,385.45
  6. Step 6: Final answer
    x = 5,854.94

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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.