Home / 9,025.20-13,539.27-2,785.20

Finding the Fourth Proportional to 9,025.20, 13,539.27 and 2,785.20

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Solution

The fourth proportional to 9,025.20, 13,539.27 and 2,785.20 is: 4,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.20 : 13,539.27 = 2,785.20 : x
  2. Step 2: Convert to fraction form
    9,025.20/13,539.27 = 2,785.20/x
  3. Step 3: Cross multiply
    9,025.20x = 13,539.27 × 2,785.20
  4. Step 4: Simplify right side
    9,025.20x = 37,709,574.80
  5. Step 5: Solve for x
    x = 37,709,574.80/9,025.20
  6. Step 6: Final answer
    x = 4,178.25

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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.