Home / 5,446.10-7,515.60-3,088.70

Finding the Fourth Proportional to 5,446.10, 7,515.60 and 3,088.70

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Solution

The fourth proportional to 5,446.10, 7,515.60 and 3,088.70 is: 4,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.10 : 7,515.60 = 3,088.70 : x
  2. Step 2: Convert to fraction form
    5,446.10/7,515.60 = 3,088.70/x
  3. Step 3: Cross multiply
    5,446.10x = 7,515.60 × 3,088.70
  4. Step 4: Simplify right side
    5,446.10x = 23,213,433.72
  5. Step 5: Solve for x
    x = 23,213,433.72/5,446.10
  6. Step 6: Final answer
    x = 4,262.40

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Half scale
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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.