Home / 7,087.68-10,630.89-2,158.47

Finding the Fourth Proportional to 7,087.68, 10,630.89 and 2,158.47

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Solution

The fourth proportional to 7,087.68, 10,630.89 and 2,158.47 is: 3,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.68 : 10,630.89 = 2,158.47 : x
  2. Step 2: Convert to fraction form
    7,087.68/10,630.89 = 2,158.47/x
  3. Step 3: Cross multiply
    7,087.68x = 10,630.89 × 2,158.47
  4. Step 4: Simplify right side
    7,087.68x = 22,946,457.14
  5. Step 5: Solve for x
    x = 22,946,457.14/7,087.68
  6. Step 6: Final answer
    x = 3,237.51

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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.