Home / 4,989.06-6,884.32-2,864.02

Finding the Fourth Proportional to 4,989.06, 6,884.32 and 2,864.02

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Solution

The fourth proportional to 4,989.06, 6,884.32 and 2,864.02 is: 3,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.06 : 6,884.32 = 2,864.02 : x
  2. Step 2: Convert to fraction form
    4,989.06/6,884.32 = 2,864.02/x
  3. Step 3: Cross multiply
    4,989.06x = 6,884.32 × 2,864.02
  4. Step 4: Simplify right side
    4,989.06x = 19,716,830.17
  5. Step 5: Solve for x
    x = 19,716,830.17/4,989.06
  6. Step 6: Final answer
    x = 3,952.01

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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.