Home / 7,151.14-9,868.67-4,007.13

Finding the Fourth Proportional to 7,151.14, 9,868.67 and 4,007.13

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Solution

The fourth proportional to 7,151.14, 9,868.67 and 4,007.13 is: 5,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.14 : 9,868.67 = 4,007.13 : x
  2. Step 2: Convert to fraction form
    7,151.14/9,868.67 = 4,007.13/x
  3. Step 3: Cross multiply
    7,151.14x = 9,868.67 × 4,007.13
  4. Step 4: Simplify right side
    7,151.14x = 39,545,043.62
  5. Step 5: Solve for x
    x = 39,545,043.62/7,151.14
  6. Step 6: Final answer
    x = 5,529.89

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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.