Home / 9,788.20-14,681.98-2,392.70

Finding the Fourth Proportional to 9,788.20, 14,681.98 and 2,392.70

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Solution

The fourth proportional to 9,788.20, 14,681.98 and 2,392.70 is: 3,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.20 : 14,681.98 = 2,392.70 : x
  2. Step 2: Convert to fraction form
    9,788.20/14,681.98 = 2,392.70/x
  3. Step 3: Cross multiply
    9,788.20x = 14,681.98 × 2,392.70
  4. Step 4: Simplify right side
    9,788.20x = 35,129,573.55
  5. Step 5: Solve for x
    x = 35,129,573.55/9,788.20
  6. Step 6: Final answer
    x = 3,588.97

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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.