Home / 5,153.67-7,730.52-2,191.35

Finding the Fourth Proportional to 5,153.67, 7,730.52 and 2,191.35

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Solution

The fourth proportional to 5,153.67, 7,730.52 and 2,191.35 is: 3,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.67 : 7,730.52 = 2,191.35 : x
  2. Step 2: Convert to fraction form
    5,153.67/7,730.52 = 2,191.35/x
  3. Step 3: Cross multiply
    5,153.67x = 7,730.52 × 2,191.35
  4. Step 4: Simplify right side
    5,153.67x = 16,940,275.00
  5. Step 5: Solve for x
    x = 16,940,275.00/5,153.67
  6. Step 6: Final answer
    x = 3,287.03

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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.