Home / 7,966.08-11,948.40-2,122.50

Finding the Fourth Proportional to 7,966.08, 11,948.40 and 2,122.50

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Solution

The fourth proportional to 7,966.08, 11,948.40 and 2,122.50 is: 3,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.08 : 11,948.40 = 2,122.50 : x
  2. Step 2: Convert to fraction form
    7,966.08/11,948.40 = 2,122.50/x
  3. Step 3: Cross multiply
    7,966.08x = 11,948.40 × 2,122.50
  4. Step 4: Simplify right side
    7,966.08x = 25,360,479
  5. Step 5: Solve for x
    x = 25,360,479/7,966.08
  6. Step 6: Final answer
    x = 3,183.56

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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.