Home / 5,184.78-7,155.16-2,827.10

Finding the Fourth Proportional to 5,184.78, 7,155.16 and 2,827.10

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Solution

The fourth proportional to 5,184.78, 7,155.16 and 2,827.10 is: 3,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.78 : 7,155.16 = 2,827.10 : x
  2. Step 2: Convert to fraction form
    5,184.78/7,155.16 = 2,827.10/x
  3. Step 3: Cross multiply
    5,184.78x = 7,155.16 × 2,827.10
  4. Step 4: Simplify right side
    5,184.78x = 20,228,352.84
  5. Step 5: Solve for x
    x = 20,228,352.84/5,184.78
  6. Step 6: Final answer
    x = 3,901.49

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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.