Home / 6,515.06-9,775.83-5,200.16

Finding the Fourth Proportional to 6,515.06, 9,775.83 and 5,200.16

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Solution

The fourth proportional to 6,515.06, 9,775.83 and 5,200.16 is: 7,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.06 : 9,775.83 = 5,200.16 : x
  2. Step 2: Convert to fraction form
    6,515.06/9,775.83 = 5,200.16/x
  3. Step 3: Cross multiply
    6,515.06x = 9,775.83 × 5,200.16
  4. Step 4: Simplify right side
    6,515.06x = 50,835,880.13
  5. Step 5: Solve for x
    x = 50,835,880.13/6,515.06
  6. Step 6: Final answer
    x = 7,802.83

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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.