Home / 7,310.13-10,085.35-4,164.50

Finding the Fourth Proportional to 7,310.13, 10,085.35 and 4,164.50

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Solution

The fourth proportional to 7,310.13, 10,085.35 and 4,164.50 is: 5,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.13 : 10,085.35 = 4,164.50 : x
  2. Step 2: Convert to fraction form
    7,310.13/10,085.35 = 4,164.50/x
  3. Step 3: Cross multiply
    7,310.13x = 10,085.35 × 4,164.50
  4. Step 4: Simplify right side
    7,310.13x = 42,000,440.08
  5. Step 5: Solve for x
    x = 42,000,440.08/7,310.13
  6. Step 6: Final answer
    x = 5,745.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.