Home / 6,388.66-8,816.34-3,594.16

Finding the Fourth Proportional to 6,388.66, 8,816.34 and 3,594.16

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Solution

The fourth proportional to 6,388.66, 8,816.34 and 3,594.16 is: 4,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.66 : 8,816.34 = 3,594.16 : x
  2. Step 2: Convert to fraction form
    6,388.66/8,816.34 = 3,594.16/x
  3. Step 3: Cross multiply
    6,388.66x = 8,816.34 × 3,594.16
  4. Step 4: Simplify right side
    6,388.66x = 31,687,336.57
  5. Step 5: Solve for x
    x = 31,687,336.57/6,388.66
  6. Step 6: Final answer
    x = 4,959.93

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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.