Home / 5,627.79-8,437.05-4,238.46

Finding the Fourth Proportional to 5,627.79, 8,437.05 and 4,238.46

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Solution

The fourth proportional to 5,627.79, 8,437.05 and 4,238.46 is: 6,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.79 : 8,437.05 = 4,238.46 : x
  2. Step 2: Convert to fraction form
    5,627.79/8,437.05 = 4,238.46/x
  3. Step 3: Cross multiply
    5,627.79x = 8,437.05 × 4,238.46
  4. Step 4: Simplify right side
    5,627.79x = 35,760,098.94
  5. Step 5: Solve for x
    x = 35,760,098.94/5,627.79
  6. Step 6: Final answer
    x = 6,354.20

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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.