Home / 8,435.47-12,626.66-5,787.49

Finding the Fourth Proportional to 8,435.47, 12,626.66 and 5,787.49

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Solution

The fourth proportional to 8,435.47, 12,626.66 and 5,787.49 is: 8,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.47 : 12,626.66 = 5,787.49 : x
  2. Step 2: Convert to fraction form
    8,435.47/12,626.66 = 5,787.49/x
  3. Step 3: Cross multiply
    8,435.47x = 12,626.66 × 5,787.49
  4. Step 4: Simplify right side
    8,435.47x = 73,076,653.23
  5. Step 5: Solve for x
    x = 73,076,653.23/8,435.47
  6. Step 6: Final answer
    x = 8,663.02

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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.