Home / 9,019.03-13,530.08-2,778.91

Finding the Fourth Proportional to 9,019.03, 13,530.08 and 2,778.91

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Solution

The fourth proportional to 9,019.03, 13,530.08 and 2,778.91 is: 4,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.03 : 13,530.08 = 2,778.91 : x
  2. Step 2: Convert to fraction form
    9,019.03/13,530.08 = 2,778.91/x
  3. Step 3: Cross multiply
    9,019.03x = 13,530.08 × 2,778.91
  4. Step 4: Simplify right side
    9,019.03x = 37,598,874.61
  5. Step 5: Solve for x
    x = 37,598,874.61/9,019.03
  6. Step 6: Final answer
    x = 4,168.84

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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.