Home / 8,619.84-12,935.43-4,726.98

Finding the Fourth Proportional to 8,619.84, 12,935.43 and 4,726.98

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Solution

The fourth proportional to 8,619.84, 12,935.43 and 4,726.98 is: 7,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.84 : 12,935.43 = 4,726.98 : x
  2. Step 2: Convert to fraction form
    8,619.84/12,935.43 = 4,726.98/x
  3. Step 3: Cross multiply
    8,619.84x = 12,935.43 × 4,726.98
  4. Step 4: Simplify right side
    8,619.84x = 61,145,518.90
  5. Step 5: Solve for x
    x = 61,145,518.90/8,619.84
  6. Step 6: Final answer
    x = 7,093.58

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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.