Home / 5,785.20-8,671.20-2,451.36

Finding the Fourth Proportional to 5,785.20, 8,671.20 and 2,451.36

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Solution

The fourth proportional to 5,785.20, 8,671.20 and 2,451.36 is: 3,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.20 : 8,671.20 = 2,451.36 : x
  2. Step 2: Convert to fraction form
    5,785.20/8,671.20 = 2,451.36/x
  3. Step 3: Cross multiply
    5,785.20x = 8,671.20 × 2,451.36
  4. Step 4: Simplify right side
    5,785.20x = 21,256,232.83
  5. Step 5: Solve for x
    x = 21,256,232.83/5,785.20
  6. Step 6: Final answer
    x = 3,674.24

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1.5x scale

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.