Home / 7,114.93-10,667.84-2,957.81

Finding the Fourth Proportional to 7,114.93, 10,667.84 and 2,957.81

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Solution

The fourth proportional to 7,114.93, 10,667.84 and 2,957.81 is: 4,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.93 : 10,667.84 = 2,957.81 : x
  2. Step 2: Convert to fraction form
    7,114.93/10,667.84 = 2,957.81/x
  3. Step 3: Cross multiply
    7,114.93x = 10,667.84 × 2,957.81
  4. Step 4: Simplify right side
    7,114.93x = 31,553,375.70
  5. Step 5: Solve for x
    x = 31,553,375.70/7,114.93
  6. Step 6: Final answer
    x = 4,434.81

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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.