Home / 9,075.76-13,613.52-3,231.04

Finding the Fourth Proportional to 9,075.76, 13,613.52 and 3,231.04

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Solution

The fourth proportional to 9,075.76, 13,613.52 and 3,231.04 is: 4,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.76 : 13,613.52 = 3,231.04 : x
  2. Step 2: Convert to fraction form
    9,075.76/13,613.52 = 3,231.04/x
  3. Step 3: Cross multiply
    9,075.76x = 13,613.52 × 3,231.04
  4. Step 4: Simplify right side
    9,075.76x = 43,985,827.66
  5. Step 5: Solve for x
    x = 43,985,827.66/9,075.76
  6. Step 6: Final answer
    x = 4,846.52

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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.