Home / 4,709.85-6,499.58-2,613.98

Finding the Fourth Proportional to 4,709.85, 6,499.58 and 2,613.98

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Solution

The fourth proportional to 4,709.85, 6,499.58 and 2,613.98 is: 3,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.85 : 6,499.58 = 2,613.98 : x
  2. Step 2: Convert to fraction form
    4,709.85/6,499.58 = 2,613.98/x
  3. Step 3: Cross multiply
    4,709.85x = 6,499.58 × 2,613.98
  4. Step 4: Simplify right side
    4,709.85x = 16,989,726.56
  5. Step 5: Solve for x
    x = 16,989,726.56/4,709.85
  6. Step 6: Final answer
    x = 3,607.28

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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.