Home / 7,015.20-10,522.71-2,017.70

Finding the Fourth Proportional to 7,015.20, 10,522.71 and 2,017.70

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Solution

The fourth proportional to 7,015.20, 10,522.71 and 2,017.70 is: 3,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.20 : 10,522.71 = 2,017.70 : x
  2. Step 2: Convert to fraction form
    7,015.20/10,522.71 = 2,017.70/x
  3. Step 3: Cross multiply
    7,015.20x = 10,522.71 × 2,017.70
  4. Step 4: Simplify right side
    7,015.20x = 21,231,619.35
  5. Step 5: Solve for x
    x = 21,231,619.35/7,015.20
  6. Step 6: Final answer
    x = 3,026.52

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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.