Home / 4,889.04-7,335.24-1,426.80

Finding the Fourth Proportional to 4,889.04, 7,335.24 and 1,426.80

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Solution

The fourth proportional to 4,889.04, 7,335.24 and 1,426.80 is: 2,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.04 : 7,335.24 = 1,426.80 : x
  2. Step 2: Convert to fraction form
    4,889.04/7,335.24 = 1,426.80/x
  3. Step 3: Cross multiply
    4,889.04x = 7,335.24 × 1,426.80
  4. Step 4: Simplify right side
    4,889.04x = 10,465,920.43
  5. Step 5: Solve for x
    x = 10,465,920.43/4,889.04
  6. Step 6: Final answer
    x = 2,140.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.