Home / 7,777.16-10,732.48-4,982.66

Finding the Fourth Proportional to 7,777.16, 10,732.48 and 4,982.66

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Solution

The fourth proportional to 7,777.16, 10,732.48 and 4,982.66 is: 6,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.16 : 10,732.48 = 4,982.66 : x
  2. Step 2: Convert to fraction form
    7,777.16/10,732.48 = 4,982.66/x
  3. Step 3: Cross multiply
    7,777.16x = 10,732.48 × 4,982.66
  4. Step 4: Simplify right side
    7,777.16x = 53,476,298.80
  5. Step 5: Solve for x
    x = 53,476,298.80/7,777.16
  6. Step 6: Final answer
    x = 6,876.07

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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.