Home / 5,236.32-7,854.36-1,538.47

Finding the Fourth Proportional to 5,236.32, 7,854.36 and 1,538.47

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Solution

The fourth proportional to 5,236.32, 7,854.36 and 1,538.47 is: 2,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.32 : 7,854.36 = 1,538.47 : x
  2. Step 2: Convert to fraction form
    5,236.32/7,854.36 = 1,538.47/x
  3. Step 3: Cross multiply
    5,236.32x = 7,854.36 × 1,538.47
  4. Step 4: Simplify right side
    5,236.32x = 12,083,657.96
  5. Step 5: Solve for x
    x = 12,083,657.96/5,236.32
  6. Step 6: Final answer
    x = 2,307.66

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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.