Home / 4,228.50-6,343.15-1,455.06

Finding the Fourth Proportional to 4,228.50, 6,343.15 and 1,455.06

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Solution

The fourth proportional to 4,228.50, 6,343.15 and 1,455.06 is: 2,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.50 : 6,343.15 = 1,455.06 : x
  2. Step 2: Convert to fraction form
    4,228.50/6,343.15 = 1,455.06/x
  3. Step 3: Cross multiply
    4,228.50x = 6,343.15 × 1,455.06
  4. Step 4: Simplify right side
    4,228.50x = 9,229,663.84
  5. Step 5: Solve for x
    x = 9,229,663.84/4,228.50
  6. Step 6: Final answer
    x = 2,182.73

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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.