Home / 9,140.27-13,715.76-5,808.36

Finding the Fourth Proportional to 9,140.27, 13,715.76 and 5,808.36

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Solution

The fourth proportional to 9,140.27, 13,715.76 and 5,808.36 is: 8,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.27 : 13,715.76 = 5,808.36 : x
  2. Step 2: Convert to fraction form
    9,140.27/13,715.76 = 5,808.36/x
  3. Step 3: Cross multiply
    9,140.27x = 13,715.76 × 5,808.36
  4. Step 4: Simplify right side
    9,140.27x = 79,666,071.75
  5. Step 5: Solve for x
    x = 79,666,071.75/9,140.27
  6. Step 6: Final answer
    x = 8,715.95

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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.