Home / 6,876.24-10,267.80-5,398.80

Finding the Fourth Proportional to 6,876.24, 10,267.80 and 5,398.80

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Solution

The fourth proportional to 6,876.24, 10,267.80 and 5,398.80 is: 8,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.24 : 10,267.80 = 5,398.80 : x
  2. Step 2: Convert to fraction form
    6,876.24/10,267.80 = 5,398.80/x
  3. Step 3: Cross multiply
    6,876.24x = 10,267.80 × 5,398.80
  4. Step 4: Simplify right side
    6,876.24x = 55,433,798.64
  5. Step 5: Solve for x
    x = 55,433,798.64/6,876.24
  6. Step 6: Final answer
    x = 8,061.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.