Home / 8,340.72-11,496.96-6,569.52

Finding the Fourth Proportional to 8,340.72, 11,496.96 and 6,569.52

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Solution

The fourth proportional to 8,340.72, 11,496.96 and 6,569.52 is: 9,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.72 : 11,496.96 = 6,569.52 : x
  2. Step 2: Convert to fraction form
    8,340.72/11,496.96 = 6,569.52/x
  3. Step 3: Cross multiply
    8,340.72x = 11,496.96 × 6,569.52
  4. Step 4: Simplify right side
    8,340.72x = 75,529,508.66
  5. Step 5: Solve for x
    x = 75,529,508.66/8,340.72
  6. Step 6: Final answer
    x = 9,055.51

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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.