Home / 6,388.50-8,816.55-3,594.18

Finding the Fourth Proportional to 6,388.50, 8,816.55 and 3,594.18

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Solution

The fourth proportional to 6,388.50, 8,816.55 and 3,594.18 is: 4,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.50 : 8,816.55 = 3,594.18 : x
  2. Step 2: Convert to fraction form
    6,388.50/8,816.55 = 3,594.18/x
  3. Step 3: Cross multiply
    6,388.50x = 8,816.55 × 3,594.18
  4. Step 4: Simplify right side
    6,388.50x = 31,688,267.68
  5. Step 5: Solve for x
    x = 31,688,267.68/6,388.50
  6. Step 6: Final answer
    x = 4,960.20

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Double scale
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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.