Home / 7,948.16-11,912.16-4,487.36

Finding the Fourth Proportional to 7,948.16, 11,912.16 and 4,487.36

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Solution

The fourth proportional to 7,948.16, 11,912.16 and 4,487.36 is: 6,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.16 : 11,912.16 = 4,487.36 : x
  2. Step 2: Convert to fraction form
    7,948.16/11,912.16 = 4,487.36/x
  3. Step 3: Cross multiply
    7,948.16x = 11,912.16 × 4,487.36
  4. Step 4: Simplify right side
    7,948.16x = 53,454,150.30
  5. Step 5: Solve for x
    x = 53,454,150.30/7,948.16
  6. Step 6: Final answer
    x = 6,725.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.