Home / 8,269.17-11,410.25-5,478.45

Finding the Fourth Proportional to 8,269.17, 11,410.25 and 5,478.45

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Solution

The fourth proportional to 8,269.17, 11,410.25 and 5,478.45 is: 7,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.17 : 11,410.25 = 5,478.45 : x
  2. Step 2: Convert to fraction form
    8,269.17/11,410.25 = 5,478.45/x
  3. Step 3: Cross multiply
    8,269.17x = 11,410.25 × 5,478.45
  4. Step 4: Simplify right side
    8,269.17x = 62,510,456.72
  5. Step 5: Solve for x
    x = 62,510,456.72/8,269.17
  6. Step 6: Final answer
    x = 7,559.46

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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.