Home / 4,640.16-6,959.47-1,520.12

Finding the Fourth Proportional to 4,640.16, 6,959.47 and 1,520.12

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Solution

The fourth proportional to 4,640.16, 6,959.47 and 1,520.12 is: 2,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.16 : 6,959.47 = 1,520.12 : x
  2. Step 2: Convert to fraction form
    4,640.16/6,959.47 = 1,520.12/x
  3. Step 3: Cross multiply
    4,640.16x = 6,959.47 × 1,520.12
  4. Step 4: Simplify right side
    4,640.16x = 10,579,229.54
  5. Step 5: Solve for x
    x = 10,579,229.54/4,640.16
  6. Step 6: Final answer
    x = 2,279.93

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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.