Home / 4,558.95-6,287.18-2,987.91

Finding the Fourth Proportional to 4,558.95, 6,287.18 and 2,987.91

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Solution

The fourth proportional to 4,558.95, 6,287.18 and 2,987.91 is: 4,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.95 : 6,287.18 = 2,987.91 : x
  2. Step 2: Convert to fraction form
    4,558.95/6,287.18 = 2,987.91/x
  3. Step 3: Cross multiply
    4,558.95x = 6,287.18 × 2,987.91
  4. Step 4: Simplify right side
    4,558.95x = 18,785,513.05
  5. Step 5: Solve for x
    x = 18,785,513.05/4,558.95
  6. Step 6: Final answer
    x = 4,120.58

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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.