Home / 7,405.34-10,217.66-4,420.62

Finding the Fourth Proportional to 7,405.34, 10,217.66 and 4,420.62

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Solution

The fourth proportional to 7,405.34, 10,217.66 and 4,420.62 is: 6,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.34 : 10,217.66 = 4,420.62 : x
  2. Step 2: Convert to fraction form
    7,405.34/10,217.66 = 4,420.62/x
  3. Step 3: Cross multiply
    7,405.34x = 10,217.66 × 4,420.62
  4. Step 4: Simplify right side
    7,405.34x = 45,168,392.15
  5. Step 5: Solve for x
    x = 45,168,392.15/7,405.34
  6. Step 6: Final answer
    x = 6,099.44

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Half scale
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Similar ratio
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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.