Home / 4,578.53-6,867.77-1,291.61

Finding the Fourth Proportional to 4,578.53, 6,867.77 and 1,291.61

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Solution

The fourth proportional to 4,578.53, 6,867.77 and 1,291.61 is: 1,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.53 : 6,867.77 = 1,291.61 : x
  2. Step 2: Convert to fraction form
    4,578.53/6,867.77 = 1,291.61/x
  3. Step 3: Cross multiply
    4,578.53x = 6,867.77 × 1,291.61
  4. Step 4: Simplify right side
    4,578.53x = 8,870,439.61
  5. Step 5: Solve for x
    x = 8,870,439.61/4,578.53
  6. Step 6: Final answer
    x = 1,937.40

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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.