Home / 9,135.72-13,703.52-2,210.22

Finding the Fourth Proportional to 9,135.72, 13,703.52 and 2,210.22

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Solution

The fourth proportional to 9,135.72, 13,703.52 and 2,210.22 is: 3,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.72 : 13,703.52 = 2,210.22 : x
  2. Step 2: Convert to fraction form
    9,135.72/13,703.52 = 2,210.22/x
  3. Step 3: Cross multiply
    9,135.72x = 13,703.52 × 2,210.22
  4. Step 4: Simplify right side
    9,135.72x = 30,287,793.97
  5. Step 5: Solve for x
    x = 30,287,793.97/9,135.72
  6. Step 6: Final answer
    x = 3,315.32

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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.