Home / 7,087.79-10,628.62-2,156.29

Finding the Fourth Proportional to 7,087.79, 10,628.62 and 2,156.29

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Solution

The fourth proportional to 7,087.79, 10,628.62 and 2,156.29 is: 3,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.79 : 10,628.62 = 2,156.29 : x
  2. Step 2: Convert to fraction form
    7,087.79/10,628.62 = 2,156.29/x
  3. Step 3: Cross multiply
    7,087.79x = 10,628.62 × 2,156.29
  4. Step 4: Simplify right side
    7,087.79x = 22,918,387.02
  5. Step 5: Solve for x
    x = 22,918,387.02/7,087.79
  6. Step 6: Final answer
    x = 3,233.50

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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.