Home / 9,271.80-13,872.60-5,701.20

Finding the Fourth Proportional to 9,271.80, 13,872.60 and 5,701.20

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Solution

The fourth proportional to 9,271.80, 13,872.60 and 5,701.20 is: 8,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.80 : 13,872.60 = 5,701.20 : x
  2. Step 2: Convert to fraction form
    9,271.80/13,872.60 = 5,701.20/x
  3. Step 3: Cross multiply
    9,271.80x = 13,872.60 × 5,701.20
  4. Step 4: Simplify right side
    9,271.80x = 79,090,467.12
  5. Step 5: Solve for x
    x = 79,090,467.12/9,271.80
  6. Step 6: Final answer
    x = 8,530.22

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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.