Home / 5,236.44-7,854.55-1,538.58

Finding the Fourth Proportional to 5,236.44, 7,854.55 and 1,538.58

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Solution

The fourth proportional to 5,236.44, 7,854.55 and 1,538.58 is: 2,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.44 : 7,854.55 = 1,538.58 : x
  2. Step 2: Convert to fraction form
    5,236.44/7,854.55 = 1,538.58/x
  3. Step 3: Cross multiply
    5,236.44x = 7,854.55 × 1,538.58
  4. Step 4: Simplify right side
    5,236.44x = 12,084,853.54
  5. Step 5: Solve for x
    x = 12,084,853.54/5,236.44
  6. Step 6: Final answer
    x = 2,307.84

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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.