Home / 8,356.07-12,521.80-4,653.21

Finding the Fourth Proportional to 8,356.07, 12,521.80 and 4,653.21

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Solution

The fourth proportional to 8,356.07, 12,521.80 and 4,653.21 is: 6,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.07 : 12,521.80 = 4,653.21 : x
  2. Step 2: Convert to fraction form
    8,356.07/12,521.80 = 4,653.21/x
  3. Step 3: Cross multiply
    8,356.07x = 12,521.80 × 4,653.21
  4. Step 4: Simplify right side
    8,356.07x = 58,266,617.75
  5. Step 5: Solve for x
    x = 58,266,617.75/8,356.07
  6. Step 6: Final answer
    x = 6,972.97

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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.