Home / 7,661.18-10,571.84-4,302.92

Finding the Fourth Proportional to 7,661.18, 10,571.84 and 4,302.92

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Solution

The fourth proportional to 7,661.18, 10,571.84 and 4,302.92 is: 5,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.18 : 10,571.84 = 4,302.92 : x
  2. Step 2: Convert to fraction form
    7,661.18/10,571.84 = 4,302.92/x
  3. Step 3: Cross multiply
    7,661.18x = 10,571.84 × 4,302.92
  4. Step 4: Simplify right side
    7,661.18x = 45,489,781.77
  5. Step 5: Solve for x
    x = 45,489,781.77/7,661.18
  6. Step 6: Final answer
    x = 5,937.70

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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.