Home / 9,184.16-13,775.91-3,990.03

Finding the Fourth Proportional to 9,184.16, 13,775.91 and 3,990.03

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Solution

The fourth proportional to 9,184.16, 13,775.91 and 3,990.03 is: 5,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.16 : 13,775.91 = 3,990.03 : x
  2. Step 2: Convert to fraction form
    9,184.16/13,775.91 = 3,990.03/x
  3. Step 3: Cross multiply
    9,184.16x = 13,775.91 × 3,990.03
  4. Step 4: Simplify right side
    9,184.16x = 54,966,294.18
  5. Step 5: Solve for x
    x = 54,966,294.18/9,184.16
  6. Step 6: Final answer
    x = 5,984.90

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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.