Home / 7,088.42-10,632.63-2,158.05

Finding the Fourth Proportional to 7,088.42, 10,632.63 and 2,158.05

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Solution

The fourth proportional to 7,088.42, 10,632.63 and 2,158.05 is: 3,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.42 : 10,632.63 = 2,158.05 : x
  2. Step 2: Convert to fraction form
    7,088.42/10,632.63 = 2,158.05/x
  3. Step 3: Cross multiply
    7,088.42x = 10,632.63 × 2,158.05
  4. Step 4: Simplify right side
    7,088.42x = 22,945,747.17
  5. Step 5: Solve for x
    x = 22,945,747.17/7,088.42
  6. Step 6: Final answer
    x = 3,237.08

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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.