Home / 8,702.08-13,062.84-3,511.60

Finding the Fourth Proportional to 8,702.08, 13,062.84 and 3,511.60

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Solution

The fourth proportional to 8,702.08, 13,062.84 and 3,511.60 is: 5,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.08 : 13,062.84 = 3,511.60 : x
  2. Step 2: Convert to fraction form
    8,702.08/13,062.84 = 3,511.60/x
  3. Step 3: Cross multiply
    8,702.08x = 13,062.84 × 3,511.60
  4. Step 4: Simplify right side
    8,702.08x = 45,871,468.94
  5. Step 5: Solve for x
    x = 45,871,468.94/8,702.08
  6. Step 6: Final answer
    x = 5,271.32

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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.