Home / 4,930.90-7,389.74-2,428.27

Finding the Fourth Proportional to 4,930.90, 7,389.74 and 2,428.27

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Solution

The fourth proportional to 4,930.90, 7,389.74 and 2,428.27 is: 3,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.90 : 7,389.74 = 2,428.27 : x
  2. Step 2: Convert to fraction form
    4,930.90/7,389.74 = 2,428.27/x
  3. Step 3: Cross multiply
    4,930.90x = 7,389.74 × 2,428.27
  4. Step 4: Simplify right side
    4,930.90x = 17,944,283.95
  5. Step 5: Solve for x
    x = 17,944,283.95/4,930.90
  6. Step 6: Final answer
    x = 3,639.15

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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.