Home / 9,127.08-13,692.69-2,887.47

Finding the Fourth Proportional to 9,127.08, 13,692.69 and 2,887.47

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Solution

The fourth proportional to 9,127.08, 13,692.69 and 2,887.47 is: 4,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.08 : 13,692.69 = 2,887.47 : x
  2. Step 2: Convert to fraction form
    9,127.08/13,692.69 = 2,887.47/x
  3. Step 3: Cross multiply
    9,127.08x = 13,692.69 × 2,887.47
  4. Step 4: Simplify right side
    9,127.08x = 39,537,231.59
  5. Step 5: Solve for x
    x = 39,537,231.59/9,127.08
  6. Step 6: Final answer
    x = 4,331.86

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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.