Home / 6,122.24-8,440.80-4,446.08

Finding the Fourth Proportional to 6,122.24, 8,440.80 and 4,446.08

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Solution

The fourth proportional to 6,122.24, 8,440.80 and 4,446.08 is: 6,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.24 : 8,440.80 = 4,446.08 : x
  2. Step 2: Convert to fraction form
    6,122.24/8,440.80 = 4,446.08/x
  3. Step 3: Cross multiply
    6,122.24x = 8,440.80 × 4,446.08
  4. Step 4: Simplify right side
    6,122.24x = 37,528,472.06
  5. Step 5: Solve for x
    x = 37,528,472.06/6,122.24
  6. Step 6: Final answer
    x = 6,129.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.