Home / 9,272.04-13,899.72-3,427.20

Finding the Fourth Proportional to 9,272.04, 13,899.72 and 3,427.20

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Solution

The fourth proportional to 9,272.04, 13,899.72 and 3,427.20 is: 5,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.04 : 13,899.72 = 3,427.20 : x
  2. Step 2: Convert to fraction form
    9,272.04/13,899.72 = 3,427.20/x
  3. Step 3: Cross multiply
    9,272.04x = 13,899.72 × 3,427.20
  4. Step 4: Simplify right side
    9,272.04x = 47,637,120.38
  5. Step 5: Solve for x
    x = 47,637,120.38/9,272.04
  6. Step 6: Final answer
    x = 5,137.72

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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.