Home / 7,025.10-10,534.77-2,640.21

Finding the Fourth Proportional to 7,025.10, 10,534.77 and 2,640.21

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Solution

The fourth proportional to 7,025.10, 10,534.77 and 2,640.21 is: 3,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.10 : 10,534.77 = 2,640.21 : x
  2. Step 2: Convert to fraction form
    7,025.10/10,534.77 = 2,640.21/x
  3. Step 3: Cross multiply
    7,025.10x = 10,534.77 × 2,640.21
  4. Step 4: Simplify right side
    7,025.10x = 27,814,005.10
  5. Step 5: Solve for x
    x = 27,814,005.10/7,025.10
  6. Step 6: Final answer
    x = 3,959.23

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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.