Home / 7,439.14-11,160.53-3,434.65

Finding the Fourth Proportional to 7,439.14, 11,160.53 and 3,434.65

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Solution

The fourth proportional to 7,439.14, 11,160.53 and 3,434.65 is: 5,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.14 : 11,160.53 = 3,434.65 : x
  2. Step 2: Convert to fraction form
    7,439.14/11,160.53 = 3,434.65/x
  3. Step 3: Cross multiply
    7,439.14x = 11,160.53 × 3,434.65
  4. Step 4: Simplify right side
    7,439.14x = 38,332,482.17
  5. Step 5: Solve for x
    x = 38,332,482.17/7,439.14
  6. Step 6: Final answer
    x = 5,152.81

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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.