Home / 7,873.31-10,864.38-4,515.36

Finding the Fourth Proportional to 7,873.31, 10,864.38 and 4,515.36

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Solution

The fourth proportional to 7,873.31, 10,864.38 and 4,515.36 is: 6,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.31 : 10,864.38 = 4,515.36 : x
  2. Step 2: Convert to fraction form
    7,873.31/10,864.38 = 4,515.36/x
  3. Step 3: Cross multiply
    7,873.31x = 10,864.38 × 4,515.36
  4. Step 4: Simplify right side
    7,873.31x = 49,056,586.88
  5. Step 5: Solve for x
    x = 49,056,586.88/7,873.31
  6. Step 6: Final answer
    x = 6,230.75

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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.