Home / 7,025.40-10,535.40-2,640.48

Finding the Fourth Proportional to 7,025.40, 10,535.40 and 2,640.48

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Solution

The fourth proportional to 7,025.40, 10,535.40 and 2,640.48 is: 3,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.40 : 10,535.40 = 2,640.48 : x
  2. Step 2: Convert to fraction form
    7,025.40/10,535.40 = 2,640.48/x
  3. Step 3: Cross multiply
    7,025.40x = 10,535.40 × 2,640.48
  4. Step 4: Simplify right side
    7,025.40x = 27,818,512.99
  5. Step 5: Solve for x
    x = 27,818,512.99/7,025.40
  6. Step 6: Final answer
    x = 3,959.71

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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.