Home / 4,640.05-6,959.36-1,520.38

Finding the Fourth Proportional to 4,640.05, 6,959.36 and 1,520.38

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Solution

The fourth proportional to 4,640.05, 6,959.36 and 1,520.38 is: 2,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.05 : 6,959.36 = 1,520.38 : x
  2. Step 2: Convert to fraction form
    4,640.05/6,959.36 = 1,520.38/x
  3. Step 3: Cross multiply
    4,640.05x = 6,959.36 × 1,520.38
  4. Step 4: Simplify right side
    4,640.05x = 10,580,871.76
  5. Step 5: Solve for x
    x = 10,580,871.76/4,640.05
  6. Step 6: Final answer
    x = 2,280.34

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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.