Home / 7,153.29-10,721.63-2,708.13

Finding the Fourth Proportional to 7,153.29, 10,721.63 and 2,708.13

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Solution

The fourth proportional to 7,153.29, 10,721.63 and 2,708.13 is: 4,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.29 : 10,721.63 = 2,708.13 : x
  2. Step 2: Convert to fraction form
    7,153.29/10,721.63 = 2,708.13/x
  3. Step 3: Cross multiply
    7,153.29x = 10,721.63 × 2,708.13
  4. Step 4: Simplify right side
    7,153.29x = 29,035,567.85
  5. Step 5: Solve for x
    x = 29,035,567.85/7,153.29
  6. Step 6: Final answer
    x = 4,059.05

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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.