Home / 4,844.80-6,685.84-2,720.40

Finding the Fourth Proportional to 4,844.80, 6,685.84 and 2,720.40

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Solution

The fourth proportional to 4,844.80, 6,685.84 and 2,720.40 is: 3,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,844.80 : 6,685.84 = 2,720.40 : x
  2. Step 2: Convert to fraction form
    4,844.80/6,685.84 = 2,720.40/x
  3. Step 3: Cross multiply
    4,844.80x = 6,685.84 × 2,720.40
  4. Step 4: Simplify right side
    4,844.80x = 18,188,159.14
  5. Step 5: Solve for x
    x = 18,188,159.14/4,844.80
  6. Step 6: Final answer
    x = 3,754.16

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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.