Home / 7,731.67-10,669.89-4,587.88

Finding the Fourth Proportional to 7,731.67, 10,669.89 and 4,587.88

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Solution

The fourth proportional to 7,731.67, 10,669.89 and 4,587.88 is: 6,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.67 : 10,669.89 = 4,587.88 : x
  2. Step 2: Convert to fraction form
    7,731.67/10,669.89 = 4,587.88/x
  3. Step 3: Cross multiply
    7,731.67x = 10,669.89 × 4,587.88
  4. Step 4: Simplify right side
    7,731.67x = 48,952,174.93
  5. Step 5: Solve for x
    x = 48,952,174.93/7,731.67
  6. Step 6: Final answer
    x = 6,331.38

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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.