Home / 7,666.89-10,587.20-4,839.27

Finding the Fourth Proportional to 7,666.89, 10,587.20 and 4,839.27

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Solution

The fourth proportional to 7,666.89, 10,587.20 and 4,839.27 is: 6,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.89 : 10,587.20 = 4,839.27 : x
  2. Step 2: Convert to fraction form
    7,666.89/10,587.20 = 4,839.27/x
  3. Step 3: Cross multiply
    7,666.89x = 10,587.20 × 4,839.27
  4. Step 4: Simplify right side
    7,666.89x = 51,234,295.15
  5. Step 5: Solve for x
    x = 51,234,295.15/7,666.89
  6. Step 6: Final answer
    x = 6,682.54

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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.