Home / 4,948.09-7,424.87-2,758.05

Finding the Fourth Proportional to 4,948.09, 7,424.87 and 2,758.05

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Solution

The fourth proportional to 4,948.09, 7,424.87 and 2,758.05 is: 4,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.09 : 7,424.87 = 2,758.05 : x
  2. Step 2: Convert to fraction form
    4,948.09/7,424.87 = 2,758.05/x
  3. Step 3: Cross multiply
    4,948.09x = 7,424.87 × 2,758.05
  4. Step 4: Simplify right side
    4,948.09x = 20,478,162.70
  5. Step 5: Solve for x
    x = 20,478,162.70/4,948.09
  6. Step 6: Final answer
    x = 4,138.60

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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.