Home / 4,321.60-6,482.43-1,854.34

Finding the Fourth Proportional to 4,321.60, 6,482.43 and 1,854.34

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Solution

The fourth proportional to 4,321.60, 6,482.43 and 1,854.34 is: 2,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.60 : 6,482.43 = 1,854.34 : x
  2. Step 2: Convert to fraction form
    4,321.60/6,482.43 = 1,854.34/x
  3. Step 3: Cross multiply
    4,321.60x = 6,482.43 × 1,854.34
  4. Step 4: Simplify right side
    4,321.60x = 12,020,629.25
  5. Step 5: Solve for x
    x = 12,020,629.25/4,321.60
  6. Step 6: Final answer
    x = 2,781.52

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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.