Home / 6,638.45-9,948.38-4,993.07

Finding the Fourth Proportional to 6,638.45, 9,948.38 and 4,993.07

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Solution

The fourth proportional to 6,638.45, 9,948.38 and 4,993.07 is: 7,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.45 : 9,948.38 = 4,993.07 : x
  2. Step 2: Convert to fraction form
    6,638.45/9,948.38 = 4,993.07/x
  3. Step 3: Cross multiply
    6,638.45x = 9,948.38 × 4,993.07
  4. Step 4: Simplify right side
    6,638.45x = 49,672,883.02
  5. Step 5: Solve for x
    x = 49,672,883.02/6,638.45
  6. Step 6: Final answer
    x = 7,482.61

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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.