Home / 6,561.07-9,838.36-2,861.70

Finding the Fourth Proportional to 6,561.07, 9,838.36 and 2,861.70

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Solution

The fourth proportional to 6,561.07, 9,838.36 and 2,861.70 is: 4,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.07 : 9,838.36 = 2,861.70 : x
  2. Step 2: Convert to fraction form
    6,561.07/9,838.36 = 2,861.70/x
  3. Step 3: Cross multiply
    6,561.07x = 9,838.36 × 2,861.70
  4. Step 4: Simplify right side
    6,561.07x = 28,154,434.81
  5. Step 5: Solve for x
    x = 28,154,434.81/6,561.07
  6. Step 6: Final answer
    x = 4,291.13

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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.