Home / 7,287.18-10,056.33-4,143.39

Finding the Fourth Proportional to 7,287.18, 10,056.33 and 4,143.39

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Solution

The fourth proportional to 7,287.18, 10,056.33 and 4,143.39 is: 5,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.18 : 10,056.33 = 4,143.39 : x
  2. Step 2: Convert to fraction form
    7,287.18/10,056.33 = 4,143.39/x
  3. Step 3: Cross multiply
    7,287.18x = 10,056.33 × 4,143.39
  4. Step 4: Simplify right side
    7,287.18x = 41,667,297.16
  5. Step 5: Solve for x
    x = 41,667,297.16/7,287.18
  6. Step 6: Final answer
    x = 5,717.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.