Home / 4,709.80-6,499.50-2,613.92

Finding the Fourth Proportional to 4,709.80, 6,499.50 and 2,613.92

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Solution

The fourth proportional to 4,709.80, 6,499.50 and 2,613.92 is: 3,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.80 : 6,499.50 = 2,613.92 : x
  2. Step 2: Convert to fraction form
    4,709.80/6,499.50 = 2,613.92/x
  3. Step 3: Cross multiply
    4,709.80x = 6,499.50 × 2,613.92
  4. Step 4: Simplify right side
    4,709.80x = 16,989,173.04
  5. Step 5: Solve for x
    x = 16,989,173.04/4,709.80
  6. Step 6: Final answer
    x = 3,607.20

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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.