Home / 6,865.60-10,298.32-1,671.52

Finding the Fourth Proportional to 6,865.60, 10,298.32 and 1,671.52

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Solution

The fourth proportional to 6,865.60, 10,298.32 and 1,671.52 is: 2,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.60 : 10,298.32 = 1,671.52 : x
  2. Step 2: Convert to fraction form
    6,865.60/10,298.32 = 1,671.52/x
  3. Step 3: Cross multiply
    6,865.60x = 10,298.32 × 1,671.52
  4. Step 4: Simplify right side
    6,865.60x = 17,213,847.85
  5. Step 5: Solve for x
    x = 17,213,847.85/6,865.60
  6. Step 6: Final answer
    x = 2,507.26

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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.