Home / 5,283.15-7,917.85-2,159.58

Finding the Fourth Proportional to 5,283.15, 7,917.85 and 2,159.58

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Solution

The fourth proportional to 5,283.15, 7,917.85 and 2,159.58 is: 3,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.15 : 7,917.85 = 2,159.58 : x
  2. Step 2: Convert to fraction form
    5,283.15/7,917.85 = 2,159.58/x
  3. Step 3: Cross multiply
    5,283.15x = 7,917.85 × 2,159.58
  4. Step 4: Simplify right side
    5,283.15x = 17,099,262.89
  5. Step 5: Solve for x
    x = 17,099,262.89/5,283.15
  6. Step 6: Final answer
    x = 3,236.57

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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.