Home / 4,721.08-6,512.34-2,949.64

Finding the Fourth Proportional to 4,721.08, 6,512.34 and 2,949.64

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Solution

The fourth proportional to 4,721.08, 6,512.34 and 2,949.64 is: 4,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.08 : 6,512.34 = 2,949.64 : x
  2. Step 2: Convert to fraction form
    4,721.08/6,512.34 = 2,949.64/x
  3. Step 3: Cross multiply
    4,721.08x = 6,512.34 × 2,949.64
  4. Step 4: Simplify right side
    4,721.08x = 19,209,058.56
  5. Step 5: Solve for x
    x = 19,209,058.56/4,721.08
  6. Step 6: Final answer
    x = 4,068.78

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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.