Home / 7,661.39-10,572.80-4,517.51

Finding the Fourth Proportional to 7,661.39, 10,572.80 and 4,517.51

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Solution

The fourth proportional to 7,661.39, 10,572.80 and 4,517.51 is: 6,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.39 : 10,572.80 = 4,517.51 : x
  2. Step 2: Convert to fraction form
    7,661.39/10,572.80 = 4,517.51/x
  3. Step 3: Cross multiply
    7,661.39x = 10,572.80 × 4,517.51
  4. Step 4: Simplify right side
    7,661.39x = 47,762,654.28
  5. Step 5: Solve for x
    x = 47,762,654.28/7,661.39
  6. Step 6: Final answer
    x = 6,234.21

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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.