Home / 6,360.96-8,778.16-3,710.20

Finding the Fourth Proportional to 6,360.96, 8,778.16 and 3,710.20

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Solution

The fourth proportional to 6,360.96, 8,778.16 and 3,710.20 is: 5,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.96 : 8,778.16 = 3,710.20 : x
  2. Step 2: Convert to fraction form
    6,360.96/8,778.16 = 3,710.20/x
  3. Step 3: Cross multiply
    6,360.96x = 8,778.16 × 3,710.20
  4. Step 4: Simplify right side
    6,360.96x = 32,568,729.23
  5. Step 5: Solve for x
    x = 32,568,729.23/6,360.96
  6. Step 6: Final answer
    x = 5,120.10

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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.