Home / 4,989.83-6,886.39-2,752.15

Finding the Fourth Proportional to 4,989.83, 6,886.39 and 2,752.15

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Solution

The fourth proportional to 4,989.83, 6,886.39 and 2,752.15 is: 3,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.83 : 6,886.39 = 2,752.15 : x
  2. Step 2: Convert to fraction form
    4,989.83/6,886.39 = 2,752.15/x
  3. Step 3: Cross multiply
    4,989.83x = 6,886.39 × 2,752.15
  4. Step 4: Simplify right side
    4,989.83x = 18,952,354.14
  5. Step 5: Solve for x
    x = 18,952,354.14/4,989.83
  6. Step 6: Final answer
    x = 3,798.19

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1.5x scale

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.