Home / 4,578.47-6,866.97-1,291.79

Finding the Fourth Proportional to 4,578.47, 6,866.97 and 1,291.79

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Solution

The fourth proportional to 4,578.47, 6,866.97 and 1,291.79 is: 1,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.47 : 6,866.97 = 1,291.79 : x
  2. Step 2: Convert to fraction form
    4,578.47/6,866.97 = 1,291.79/x
  3. Step 3: Cross multiply
    4,578.47x = 6,866.97 × 1,291.79
  4. Step 4: Simplify right side
    4,578.47x = 8,870,683.18
  5. Step 5: Solve for x
    x = 8,870,683.18/4,578.47
  6. Step 6: Final answer
    x = 1,937.48

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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.