Home / 6,639.17-9,931.01-4,664.66

Finding the Fourth Proportional to 6,639.17, 9,931.01 and 4,664.66

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Solution

The fourth proportional to 6,639.17, 9,931.01 and 4,664.66 is: 6,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.17 : 9,931.01 = 4,664.66 : x
  2. Step 2: Convert to fraction form
    6,639.17/9,931.01 = 4,664.66/x
  3. Step 3: Cross multiply
    6,639.17x = 9,931.01 × 4,664.66
  4. Step 4: Simplify right side
    6,639.17x = 46,324,712.13
  5. Step 5: Solve for x
    x = 46,324,712.13/6,639.17
  6. Step 6: Final answer
    x = 6,977.49

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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.