Home / 6,138.64-9,210.23-3,675.18

Finding the Fourth Proportional to 6,138.64, 9,210.23 and 3,675.18

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Solution

The fourth proportional to 6,138.64, 9,210.23 and 3,675.18 is: 5,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.64 : 9,210.23 = 3,675.18 : x
  2. Step 2: Convert to fraction form
    6,138.64/9,210.23 = 3,675.18/x
  3. Step 3: Cross multiply
    6,138.64x = 9,210.23 × 3,675.18
  4. Step 4: Simplify right side
    6,138.64x = 33,849,234.72
  5. Step 5: Solve for x
    x = 33,849,234.72/6,138.64
  6. Step 6: Final answer
    x = 5,514.13

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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.