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Finding the Fourth Proportional to 5,910.10, 8,865.64 and 1,527.64

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Solution

The fourth proportional to 5,910.10, 8,865.64 and 1,527.64 is: 2,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.10 : 8,865.64 = 1,527.64 : x
  2. Step 2: Convert to fraction form
    5,910.10/8,865.64 = 1,527.64/x
  3. Step 3: Cross multiply
    5,910.10x = 8,865.64 × 1,527.64
  4. Step 4: Simplify right side
    5,910.10x = 13,543,486.04
  5. Step 5: Solve for x
    x = 13,543,486.04/5,910.10
  6. Step 6: Final answer
    x = 2,291.58

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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.