Home / 6,641.85-9,162.39-4,125.45

Finding the Fourth Proportional to 6,641.85, 9,162.39 and 4,125.45

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Solution

The fourth proportional to 6,641.85, 9,162.39 and 4,125.45 is: 5,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.85 : 9,162.39 = 4,125.45 : x
  2. Step 2: Convert to fraction form
    6,641.85/9,162.39 = 4,125.45/x
  3. Step 3: Cross multiply
    6,641.85x = 9,162.39 × 4,125.45
  4. Step 4: Simplify right side
    6,641.85x = 37,798,981.83
  5. Step 5: Solve for x
    x = 37,798,981.83/6,641.85
  6. Step 6: Final answer
    x = 5,691.03

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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.