Home / 6,561.96-9,838.98-2,613.72

Finding the Fourth Proportional to 6,561.96, 9,838.98 and 2,613.72

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Solution

The fourth proportional to 6,561.96, 9,838.98 and 2,613.72 is: 3,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.96 : 9,838.98 = 2,613.72 : x
  2. Step 2: Convert to fraction form
    6,561.96/9,838.98 = 2,613.72/x
  3. Step 3: Cross multiply
    6,561.96x = 9,838.98 × 2,613.72
  4. Step 4: Simplify right side
    6,561.96x = 25,716,338.81
  5. Step 5: Solve for x
    x = 25,716,338.81/6,561.96
  6. Step 6: Final answer
    x = 3,919.00

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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.