Home / 9,828.45-14,748.75-3,985.11

Finding the Fourth Proportional to 9,828.45, 14,748.75 and 3,985.11

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Solution

The fourth proportional to 9,828.45, 14,748.75 and 3,985.11 is: 5,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.45 : 14,748.75 = 3,985.11 : x
  2. Step 2: Convert to fraction form
    9,828.45/14,748.75 = 3,985.11/x
  3. Step 3: Cross multiply
    9,828.45x = 14,748.75 × 3,985.11
  4. Step 4: Simplify right side
    9,828.45x = 58,775,391.11
  5. Step 5: Solve for x
    x = 58,775,391.11/9,828.45
  6. Step 6: Final answer
    x = 5,980.13

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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.