Home / 5,014.20-7,522.80-2,930.40

Finding the Fourth Proportional to 5,014.20, 7,522.80 and 2,930.40

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Solution

The fourth proportional to 5,014.20, 7,522.80 and 2,930.40 is: 4,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.20 : 7,522.80 = 2,930.40 : x
  2. Step 2: Convert to fraction form
    5,014.20/7,522.80 = 2,930.40/x
  3. Step 3: Cross multiply
    5,014.20x = 7,522.80 × 2,930.40
  4. Step 4: Simplify right side
    5,014.20x = 22,044,813.12
  5. Step 5: Solve for x
    x = 22,044,813.12/5,014.20
  6. Step 6: Final answer
    x = 4,396.48

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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.