Home / 4,579.47-6,868.42-1,291.79

Finding the Fourth Proportional to 4,579.47, 6,868.42 and 1,291.79

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Solution

The fourth proportional to 4,579.47, 6,868.42 and 1,291.79 is: 1,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.47 : 6,868.42 = 1,291.79 : x
  2. Step 2: Convert to fraction form
    4,579.47/6,868.42 = 1,291.79/x
  3. Step 3: Cross multiply
    4,579.47x = 6,868.42 × 1,291.79
  4. Step 4: Simplify right side
    4,579.47x = 8,872,570.21
  5. Step 5: Solve for x
    x = 8,872,570.21/4,579.47
  6. Step 6: Final answer
    x = 1,937.47

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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.