Home / 7,440.02-11,160.05-3,279.10

Finding the Fourth Proportional to 7,440.02, 11,160.05 and 3,279.10

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Solution

The fourth proportional to 7,440.02, 11,160.05 and 3,279.10 is: 4,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.02 : 11,160.05 = 3,279.10 : x
  2. Step 2: Convert to fraction form
    7,440.02/11,160.05 = 3,279.10/x
  3. Step 3: Cross multiply
    7,440.02x = 11,160.05 × 3,279.10
  4. Step 4: Simplify right side
    7,440.02x = 36,594,919.96
  5. Step 5: Solve for x
    x = 36,594,919.96/7,440.02
  6. Step 6: Final answer
    x = 4,918.66

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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.