Home / 7,756.50-11,636.25-3,314.10

Finding the Fourth Proportional to 7,756.50, 11,636.25 and 3,314.10

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Solution

The fourth proportional to 7,756.50, 11,636.25 and 3,314.10 is: 4,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.50 : 11,636.25 = 3,314.10 : x
  2. Step 2: Convert to fraction form
    7,756.50/11,636.25 = 3,314.10/x
  3. Step 3: Cross multiply
    7,756.50x = 11,636.25 × 3,314.10
  4. Step 4: Simplify right side
    7,756.50x = 38,563,696.13
  5. Step 5: Solve for x
    x = 38,563,696.13/7,756.50
  6. Step 6: Final answer
    x = 4,971.79

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1.5x scale

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.