Home / 8,278.31-11,424.35-4,693.23

Finding the Fourth Proportional to 8,278.31, 11,424.35 and 4,693.23

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Solution

The fourth proportional to 8,278.31, 11,424.35 and 4,693.23 is: 6,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.31 : 11,424.35 = 4,693.23 : x
  2. Step 2: Convert to fraction form
    8,278.31/11,424.35 = 4,693.23/x
  3. Step 3: Cross multiply
    8,278.31x = 11,424.35 × 4,693.23
  4. Step 4: Simplify right side
    8,278.31x = 53,617,113.88
  5. Step 5: Solve for x
    x = 53,617,113.88/8,278.31
  6. Step 6: Final answer
    x = 6,476.82

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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.