Home / 9,005.04-13,510.80-3,814.56

Finding the Fourth Proportional to 9,005.04, 13,510.80 and 3,814.56

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Solution

The fourth proportional to 9,005.04, 13,510.80 and 3,814.56 is: 5,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.04 : 13,510.80 = 3,814.56 : x
  2. Step 2: Convert to fraction form
    9,005.04/13,510.80 = 3,814.56/x
  3. Step 3: Cross multiply
    9,005.04x = 13,510.80 × 3,814.56
  4. Step 4: Simplify right side
    9,005.04x = 51,537,757.25
  5. Step 5: Solve for x
    x = 51,537,757.25/9,005.04
  6. Step 6: Final answer
    x = 5,723.21

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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.