Home / 7,613.31-10,505.56-4,255.77

Finding the Fourth Proportional to 7,613.31, 10,505.56 and 4,255.77

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Solution

The fourth proportional to 7,613.31, 10,505.56 and 4,255.77 is: 5,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.31 : 10,505.56 = 4,255.77 : x
  2. Step 2: Convert to fraction form
    7,613.31/10,505.56 = 4,255.77/x
  3. Step 3: Cross multiply
    7,613.31x = 10,505.56 × 4,255.77
  4. Step 4: Simplify right side
    7,613.31x = 44,709,247.08
  5. Step 5: Solve for x
    x = 44,709,247.08/7,613.31
  6. Step 6: Final answer
    x = 5,872.51

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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.