Home / 7,411.16-11,116.74-2,220.68

Finding the Fourth Proportional to 7,411.16, 11,116.74 and 2,220.68

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Solution

The fourth proportional to 7,411.16, 11,116.74 and 2,220.68 is: 3,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.16 : 11,116.74 = 2,220.68 : x
  2. Step 2: Convert to fraction form
    7,411.16/11,116.74 = 2,220.68/x
  3. Step 3: Cross multiply
    7,411.16x = 11,116.74 × 2,220.68
  4. Step 4: Simplify right side
    7,411.16x = 24,686,722.18
  5. Step 5: Solve for x
    x = 24,686,722.18/7,411.16
  6. Step 6: Final answer
    x = 3,331.02

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Similar ratio
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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.