Home / 8,386.62-11,572.74-5,028.81

Finding the Fourth Proportional to 8,386.62, 11,572.74 and 5,028.81

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Solution

The fourth proportional to 8,386.62, 11,572.74 and 5,028.81 is: 6,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.62 : 11,572.74 = 5,028.81 : x
  2. Step 2: Convert to fraction form
    8,386.62/11,572.74 = 5,028.81/x
  3. Step 3: Cross multiply
    8,386.62x = 11,572.74 × 5,028.81
  4. Step 4: Simplify right side
    8,386.62x = 58,197,110.64
  5. Step 5: Solve for x
    x = 58,197,110.64/8,386.62
  6. Step 6: Final answer
    x = 6,939.28

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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.