Home / 6,462.38-8,918.05-3,629.76

Finding the Fourth Proportional to 6,462.38, 8,918.05 and 3,629.76

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Solution

The fourth proportional to 6,462.38, 8,918.05 and 3,629.76 is: 5,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.38 : 8,918.05 = 3,629.76 : x
  2. Step 2: Convert to fraction form
    6,462.38/8,918.05 = 3,629.76/x
  3. Step 3: Cross multiply
    6,462.38x = 8,918.05 × 3,629.76
  4. Step 4: Simplify right side
    6,462.38x = 32,370,395.62
  5. Step 5: Solve for x
    x = 32,370,395.62/6,462.38
  6. Step 6: Final answer
    x = 5,009.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.