Home / 4,812.86-7,216.17-3,164.40

Finding the Fourth Proportional to 4,812.86, 7,216.17 and 3,164.40

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Solution

The fourth proportional to 4,812.86, 7,216.17 and 3,164.40 is: 4,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.86 : 7,216.17 = 3,164.40 : x
  2. Step 2: Convert to fraction form
    4,812.86/7,216.17 = 3,164.40/x
  3. Step 3: Cross multiply
    4,812.86x = 7,216.17 × 3,164.40
  4. Step 4: Simplify right side
    4,812.86x = 22,834,848.35
  5. Step 5: Solve for x
    x = 22,834,848.35/4,812.86
  6. Step 6: Final answer
    x = 4,744.55

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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.