Home / 5,187.46-7,775.04-2,720.94

Finding the Fourth Proportional to 5,187.46, 7,775.04 and 2,720.94

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Solution

The fourth proportional to 5,187.46, 7,775.04 and 2,720.94 is: 4,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.46 : 7,775.04 = 2,720.94 : x
  2. Step 2: Convert to fraction form
    5,187.46/7,775.04 = 2,720.94/x
  3. Step 3: Cross multiply
    5,187.46x = 7,775.04 × 2,720.94
  4. Step 4: Simplify right side
    5,187.46x = 21,155,417.34
  5. Step 5: Solve for x
    x = 21,155,417.34/5,187.46
  6. Step 6: Final answer
    x = 4,078.18

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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.