Home / 8,317.29-11,479.73-5,665.75

Finding the Fourth Proportional to 8,317.29, 11,479.73 and 5,665.75

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Solution

The fourth proportional to 8,317.29, 11,479.73 and 5,665.75 is: 7,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.29 : 11,479.73 = 5,665.75 : x
  2. Step 2: Convert to fraction form
    8,317.29/11,479.73 = 5,665.75/x
  3. Step 3: Cross multiply
    8,317.29x = 11,479.73 × 5,665.75
  4. Step 4: Simplify right side
    8,317.29x = 65,041,280.25
  5. Step 5: Solve for x
    x = 65,041,280.25/8,317.29
  6. Step 6: Final answer
    x = 7,820.01

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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.