Home / 6,238.18-9,357.09-1,621.18

Finding the Fourth Proportional to 6,238.18, 9,357.09 and 1,621.18

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Solution

The fourth proportional to 6,238.18, 9,357.09 and 1,621.18 is: 2,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.18 : 9,357.09 = 1,621.18 : x
  2. Step 2: Convert to fraction form
    6,238.18/9,357.09 = 1,621.18/x
  3. Step 3: Cross multiply
    6,238.18x = 9,357.09 × 1,621.18
  4. Step 4: Simplify right side
    6,238.18x = 15,169,527.17
  5. Step 5: Solve for x
    x = 15,169,527.17/6,238.18
  6. Step 6: Final answer
    x = 2,431.72

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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.