Home / 5,206.40-7,182.78-2,937.23

Finding the Fourth Proportional to 5,206.40, 7,182.78 and 2,937.23

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Solution

The fourth proportional to 5,206.40, 7,182.78 and 2,937.23 is: 4,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.40 : 7,182.78 = 2,937.23 : x
  2. Step 2: Convert to fraction form
    5,206.40/7,182.78 = 2,937.23/x
  3. Step 3: Cross multiply
    5,206.40x = 7,182.78 × 2,937.23
  4. Step 4: Simplify right side
    5,206.40x = 21,097,476.90
  5. Step 5: Solve for x
    x = 21,097,476.90/5,206.40
  6. Step 6: Final answer
    x = 4,052.22

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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.