Home / 7,989.16-11,026.11-4,452.70

Finding the Fourth Proportional to 7,989.16, 11,026.11 and 4,452.70

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Solution

The fourth proportional to 7,989.16, 11,026.11 and 4,452.70 is: 6,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.16 : 11,026.11 = 4,452.70 : x
  2. Step 2: Convert to fraction form
    7,989.16/11,026.11 = 4,452.70/x
  3. Step 3: Cross multiply
    7,989.16x = 11,026.11 × 4,452.70
  4. Step 4: Simplify right side
    7,989.16x = 49,095,960.00
  5. Step 5: Solve for x
    x = 49,095,960.00/7,989.16
  6. Step 6: Final answer
    x = 6,145.32

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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.