Home / 4,989.17-7,484.97-2,216.74

Finding the Fourth Proportional to 4,989.17, 7,484.97 and 2,216.74

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Solution

The fourth proportional to 4,989.17, 7,484.97 and 2,216.74 is: 3,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.17 : 7,484.97 = 2,216.74 : x
  2. Step 2: Convert to fraction form
    4,989.17/7,484.97 = 2,216.74/x
  3. Step 3: Cross multiply
    4,989.17x = 7,484.97 × 2,216.74
  4. Step 4: Simplify right side
    4,989.17x = 16,592,232.40
  5. Step 5: Solve for x
    x = 16,592,232.40/4,989.17
  6. Step 6: Final answer
    x = 3,325.65

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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.