Home / 7,639.84-11,435.79-5,254.00

Finding the Fourth Proportional to 7,639.84, 11,435.79 and 5,254.00

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Solution

The fourth proportional to 7,639.84, 11,435.79 and 5,254.00 is: 7,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.84 : 11,435.79 = 5,254.00 : x
  2. Step 2: Convert to fraction form
    7,639.84/11,435.79 = 5,254.00/x
  3. Step 3: Cross multiply
    7,639.84x = 11,435.79 × 5,254.00
  4. Step 4: Simplify right side
    7,639.84x = 60,083,612.07
  5. Step 5: Solve for x
    x = 60,083,612.07/7,639.84
  6. Step 6: Final answer
    x = 7,864.51

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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.