Home / 8,924.31-12,315.24-4,945.79

Finding the Fourth Proportional to 8,924.31, 12,315.24 and 4,945.79

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Solution

The fourth proportional to 8,924.31, 12,315.24 and 4,945.79 is: 6,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.31 : 12,315.24 = 4,945.79 : x
  2. Step 2: Convert to fraction form
    8,924.31/12,315.24 = 4,945.79/x
  3. Step 3: Cross multiply
    8,924.31x = 12,315.24 × 4,945.79
  4. Step 4: Simplify right side
    8,924.31x = 60,908,596.90
  5. Step 5: Solve for x
    x = 60,908,596.90/8,924.31
  6. Step 6: Final answer
    x = 6,825.02

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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.