Home / 7,899.24-10,868.27-5,999.79

Finding the Fourth Proportional to 7,899.24, 10,868.27 and 5,999.79

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Solution

The fourth proportional to 7,899.24, 10,868.27 and 5,999.79 is: 8,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.24 : 10,868.27 = 5,999.79 : x
  2. Step 2: Convert to fraction form
    7,899.24/10,868.27 = 5,999.79/x
  3. Step 3: Cross multiply
    7,899.24x = 10,868.27 × 5,999.79
  4. Step 4: Simplify right side
    7,899.24x = 65,207,307.66
  5. Step 5: Solve for x
    x = 65,207,307.66/7,899.24
  6. Step 6: Final answer
    x = 8,254.88

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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.