Home / 4,416.54-6,618.56-3,178.10

Finding the Fourth Proportional to 4,416.54, 6,618.56 and 3,178.10

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Solution

The fourth proportional to 4,416.54, 6,618.56 and 3,178.10 is: 4,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.54 : 6,618.56 = 3,178.10 : x
  2. Step 2: Convert to fraction form
    4,416.54/6,618.56 = 3,178.10/x
  3. Step 3: Cross multiply
    4,416.54x = 6,618.56 × 3,178.10
  4. Step 4: Simplify right side
    4,416.54x = 21,034,445.54
  5. Step 5: Solve for x
    x = 21,034,445.54/4,416.54
  6. Step 6: Final answer
    x = 4,762.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.