Home / 8,437.74-11,640.51-5,644.14

Finding the Fourth Proportional to 8,437.74, 11,640.51 and 5,644.14

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Solution

The fourth proportional to 8,437.74, 11,640.51 and 5,644.14 is: 7,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.74 : 11,640.51 = 5,644.14 : x
  2. Step 2: Convert to fraction form
    8,437.74/11,640.51 = 5,644.14/x
  3. Step 3: Cross multiply
    8,437.74x = 11,640.51 × 5,644.14
  4. Step 4: Simplify right side
    8,437.74x = 65,700,668.11
  5. Step 5: Solve for x
    x = 65,700,668.11/8,437.74
  6. Step 6: Final answer
    x = 7,786.52

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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.