Home / 4,709.56-6,499.12-2,613.72

Finding the Fourth Proportional to 4,709.56, 6,499.12 and 2,613.72

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Solution

The fourth proportional to 4,709.56, 6,499.12 and 2,613.72 is: 3,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.56 : 6,499.12 = 2,613.72 : x
  2. Step 2: Convert to fraction form
    4,709.56/6,499.12 = 2,613.72/x
  3. Step 3: Cross multiply
    4,709.56x = 6,499.12 × 2,613.72
  4. Step 4: Simplify right side
    4,709.56x = 16,986,879.93
  5. Step 5: Solve for x
    x = 16,986,879.93/4,709.56
  6. Step 6: Final answer
    x = 3,606.89

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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.