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Finding the Fourth Proportional to 7,090.84, 10,626.67 and 5,119.84

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Solution

The fourth proportional to 7,090.84, 10,626.67 and 5,119.84 is: 7,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.84 : 10,626.67 = 5,119.84 : x
  2. Step 2: Convert to fraction form
    7,090.84/10,626.67 = 5,119.84/x
  3. Step 3: Cross multiply
    7,090.84x = 10,626.67 × 5,119.84
  4. Step 4: Simplify right side
    7,090.84x = 54,406,784.20
  5. Step 5: Solve for x
    x = 54,406,784.20/7,090.84
  6. Step 6: Final answer
    x = 7,672.83

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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.