Home / 5,213.13-7,817.72-1,702.30

Finding the Fourth Proportional to 5,213.13, 7,817.72 and 1,702.30

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Solution

The fourth proportional to 5,213.13, 7,817.72 and 1,702.30 is: 2,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.13 : 7,817.72 = 1,702.30 : x
  2. Step 2: Convert to fraction form
    5,213.13/7,817.72 = 1,702.30/x
  3. Step 3: Cross multiply
    5,213.13x = 7,817.72 × 1,702.30
  4. Step 4: Simplify right side
    5,213.13x = 13,308,104.76
  5. Step 5: Solve for x
    x = 13,308,104.76/5,213.13
  6. Step 6: Final answer
    x = 2,552.81

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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.