Home / 7,089.57-10,635.51-2,158.83

Finding the Fourth Proportional to 7,089.57, 10,635.51 and 2,158.83

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Solution

The fourth proportional to 7,089.57, 10,635.51 and 2,158.83 is: 3,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.57 : 10,635.51 = 2,158.83 : x
  2. Step 2: Convert to fraction form
    7,089.57/10,635.51 = 2,158.83/x
  3. Step 3: Cross multiply
    7,089.57x = 10,635.51 × 2,158.83
  4. Step 4: Simplify right side
    7,089.57x = 22,960,258.05
  5. Step 5: Solve for x
    x = 22,960,258.05/7,089.57
  6. Step 6: Final answer
    x = 3,238.60

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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.