Home / 4,742.68-7,115.10-1,456.06

Finding the Fourth Proportional to 4,742.68, 7,115.10 and 1,456.06

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Solution

The fourth proportional to 4,742.68, 7,115.10 and 1,456.06 is: 2,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.68 : 7,115.10 = 1,456.06 : x
  2. Step 2: Convert to fraction form
    4,742.68/7,115.10 = 1,456.06/x
  3. Step 3: Cross multiply
    4,742.68x = 7,115.10 × 1,456.06
  4. Step 4: Simplify right side
    4,742.68x = 10,360,012.51
  5. Step 5: Solve for x
    x = 10,360,012.51/4,742.68
  6. Step 6: Final answer
    x = 2,184.42

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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.