Home / 4,745.90-7,117.93-1,458.11

Finding the Fourth Proportional to 4,745.90, 7,117.93 and 1,458.11

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Solution

The fourth proportional to 4,745.90, 7,117.93 and 1,458.11 is: 2,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.90 : 7,117.93 = 1,458.11 : x
  2. Step 2: Convert to fraction form
    4,745.90/7,117.93 = 1,458.11/x
  3. Step 3: Cross multiply
    4,745.90x = 7,117.93 × 1,458.11
  4. Step 4: Simplify right side
    4,745.90x = 10,378,724.91
  5. Step 5: Solve for x
    x = 10,378,724.91/4,745.90
  6. Step 6: Final answer
    x = 2,186.88

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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.