Home / 5,104.10-7,656.18-1,817.32

Finding the Fourth Proportional to 5,104.10, 7,656.18 and 1,817.32

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Solution

The fourth proportional to 5,104.10, 7,656.18 and 1,817.32 is: 2,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.10 : 7,656.18 = 1,817.32 : x
  2. Step 2: Convert to fraction form
    5,104.10/7,656.18 = 1,817.32/x
  3. Step 3: Cross multiply
    5,104.10x = 7,656.18 × 1,817.32
  4. Step 4: Simplify right side
    5,104.10x = 13,913,729.04
  5. Step 5: Solve for x
    x = 13,913,729.04/5,104.10
  6. Step 6: Final answer
    x = 2,725.99

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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.