Home / 7,008.10-10,489.26-5,158.46

Finding the Fourth Proportional to 7,008.10, 10,489.26 and 5,158.46

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Solution

The fourth proportional to 7,008.10, 10,489.26 and 5,158.46 is: 7,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.10 : 10,489.26 = 5,158.46 : x
  2. Step 2: Convert to fraction form
    7,008.10/10,489.26 = 5,158.46/x
  3. Step 3: Cross multiply
    7,008.10x = 10,489.26 × 5,158.46
  4. Step 4: Simplify right side
    7,008.10x = 54,108,428.14
  5. Step 5: Solve for x
    x = 54,108,428.14/7,008.10
  6. Step 6: Final answer
    x = 7,720.84

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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.