Home / 5,239.32-7,858.80-1,343.76

Finding the Fourth Proportional to 5,239.32, 7,858.80 and 1,343.76

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Solution

The fourth proportional to 5,239.32, 7,858.80 and 1,343.76 is: 2,015.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.32 : 7,858.80 = 1,343.76 : x
  2. Step 2: Convert to fraction form
    5,239.32/7,858.80 = 1,343.76/x
  3. Step 3: Cross multiply
    5,239.32x = 7,858.80 × 1,343.76
  4. Step 4: Simplify right side
    5,239.32x = 10,560,341.09
  5. Step 5: Solve for x
    x = 10,560,341.09/5,239.32
  6. Step 6: Final answer
    x = 2,015.59

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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.