Home / 7,756.26-10,731.80-6,763.60

Finding the Fourth Proportional to 7,756.26, 10,731.80 and 6,763.60

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Solution

The fourth proportional to 7,756.26, 10,731.80 and 6,763.60 is: 9,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.26 : 10,731.80 = 6,763.60 : x
  2. Step 2: Convert to fraction form
    7,756.26/10,731.80 = 6,763.60/x
  3. Step 3: Cross multiply
    7,756.26x = 10,731.80 × 6,763.60
  4. Step 4: Simplify right side
    7,756.26x = 72,585,602.48
  5. Step 5: Solve for x
    x = 72,585,602.48/7,756.26
  6. Step 6: Final answer
    x = 9,358.33

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1.5x scale

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.