Home / 7,158.68-10,685.33-6,657.29

Finding the Fourth Proportional to 7,158.68, 10,685.33 and 6,657.29

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Solution

The fourth proportional to 7,158.68, 10,685.33 and 6,657.29 is: 9,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.68 : 10,685.33 = 6,657.29 : x
  2. Step 2: Convert to fraction form
    7,158.68/10,685.33 = 6,657.29/x
  3. Step 3: Cross multiply
    7,158.68x = 10,685.33 × 6,657.29
  4. Step 4: Simplify right side
    7,158.68x = 71,135,253.84
  5. Step 5: Solve for x
    x = 71,135,253.84/7,158.68
  6. Step 6: Final answer
    x = 9,936.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.