Home / 8,715.08-13,071.26-2,871.74

Finding the Fourth Proportional to 8,715.08, 13,071.26 and 2,871.74

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Solution

The fourth proportional to 8,715.08, 13,071.26 and 2,871.74 is: 4,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.08 : 13,071.26 = 2,871.74 : x
  2. Step 2: Convert to fraction form
    8,715.08/13,071.26 = 2,871.74/x
  3. Step 3: Cross multiply
    8,715.08x = 13,071.26 × 2,871.74
  4. Step 4: Simplify right side
    8,715.08x = 37,537,260.19
  5. Step 5: Solve for x
    x = 37,537,260.19/8,715.08
  6. Step 6: Final answer
    x = 4,307.16

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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.