Home / 7,257.90-10,015.62-4,114.20

Finding the Fourth Proportional to 7,257.90, 10,015.62 and 4,114.20

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Solution

The fourth proportional to 7,257.90, 10,015.62 and 4,114.20 is: 5,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.90 : 10,015.62 = 4,114.20 : x
  2. Step 2: Convert to fraction form
    7,257.90/10,015.62 = 4,114.20/x
  3. Step 3: Cross multiply
    7,257.90x = 10,015.62 × 4,114.20
  4. Step 4: Simplify right side
    7,257.90x = 41,206,263.80
  5. Step 5: Solve for x
    x = 41,206,263.80/7,257.90
  6. Step 6: Final answer
    x = 5,677.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.