Home / 4,970.75-6,860.30-3,207.48

Finding the Fourth Proportional to 4,970.75, 6,860.30 and 3,207.48

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Solution

The fourth proportional to 4,970.75, 6,860.30 and 3,207.48 is: 4,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.75 : 6,860.30 = 3,207.48 : x
  2. Step 2: Convert to fraction form
    4,970.75/6,860.30 = 3,207.48/x
  3. Step 3: Cross multiply
    4,970.75x = 6,860.30 × 3,207.48
  4. Step 4: Simplify right side
    4,970.75x = 22,004,259.01
  5. Step 5: Solve for x
    x = 22,004,259.01/4,970.75
  6. Step 6: Final answer
    x = 4,426.75

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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.