Home / 6,407.28-8,841.68-3,574.96

Finding the Fourth Proportional to 6,407.28, 8,841.68 and 3,574.96

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Solution

The fourth proportional to 6,407.28, 8,841.68 and 3,574.96 is: 4,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.28 : 8,841.68 = 3,574.96 : x
  2. Step 2: Convert to fraction form
    6,407.28/8,841.68 = 3,574.96/x
  3. Step 3: Cross multiply
    6,407.28x = 8,841.68 × 3,574.96
  4. Step 4: Simplify right side
    6,407.28x = 31,608,652.33
  5. Step 5: Solve for x
    x = 31,608,652.33/6,407.28
  6. Step 6: Final answer
    x = 4,933.24

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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.