Home / 4,638.63-6,400.17-2,960.85

Finding the Fourth Proportional to 4,638.63, 6,400.17 and 2,960.85

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Solution

The fourth proportional to 4,638.63, 6,400.17 and 2,960.85 is: 4,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.63 : 6,400.17 = 2,960.85 : x
  2. Step 2: Convert to fraction form
    4,638.63/6,400.17 = 2,960.85/x
  3. Step 3: Cross multiply
    4,638.63x = 6,400.17 × 2,960.85
  4. Step 4: Simplify right side
    4,638.63x = 18,949,943.34
  5. Step 5: Solve for x
    x = 18,949,943.34/4,638.63
  6. Step 6: Final answer
    x = 4,085.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.