Home / 7,478.92-10,325.84-4,650.60

Finding the Fourth Proportional to 7,478.92, 10,325.84 and 4,650.60

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Solution

The fourth proportional to 7,478.92, 10,325.84 and 4,650.60 is: 6,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.92 : 10,325.84 = 4,650.60 : x
  2. Step 2: Convert to fraction form
    7,478.92/10,325.84 = 4,650.60/x
  3. Step 3: Cross multiply
    7,478.92x = 10,325.84 × 4,650.60
  4. Step 4: Simplify right side
    7,478.92x = 48,021,351.50
  5. Step 5: Solve for x
    x = 48,021,351.50/7,478.92
  6. Step 6: Final answer
    x = 6,420.89

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Half scale
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Double 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.