Home / 7,115.57-10,651.48-6,065.81

Finding the Fourth Proportional to 7,115.57, 10,651.48 and 6,065.81

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Solution

The fourth proportional to 7,115.57, 10,651.48 and 6,065.81 is: 9,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.57 : 10,651.48 = 6,065.81 : x
  2. Step 2: Convert to fraction form
    7,115.57/10,651.48 = 6,065.81/x
  3. Step 3: Cross multiply
    7,115.57x = 10,651.48 × 6,065.81
  4. Step 4: Simplify right side
    7,115.57x = 64,609,785.48
  5. Step 5: Solve for x
    x = 64,609,785.48/7,115.57
  6. Step 6: Final answer
    x = 9,080.06

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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.