Home / 7,516.85-11,276.51-2,585.30

Finding the Fourth Proportional to 7,516.85, 11,276.51 and 2,585.30

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Solution

The fourth proportional to 7,516.85, 11,276.51 and 2,585.30 is: 3,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.85 : 11,276.51 = 2,585.30 : x
  2. Step 2: Convert to fraction form
    7,516.85/11,276.51 = 2,585.30/x
  3. Step 3: Cross multiply
    7,516.85x = 11,276.51 × 2,585.30
  4. Step 4: Simplify right side
    7,516.85x = 29,153,091.99
  5. Step 5: Solve for x
    x = 29,153,091.99/7,516.85
  6. Step 6: Final answer
    x = 3,878.37

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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.