Home / 5,311.95-7,962.06-2,190.24

Finding the Fourth Proportional to 5,311.95, 7,962.06 and 2,190.24

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Solution

The fourth proportional to 5,311.95, 7,962.06 and 2,190.24 is: 3,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.95 : 7,962.06 = 2,190.24 : x
  2. Step 2: Convert to fraction form
    5,311.95/7,962.06 = 2,190.24/x
  3. Step 3: Cross multiply
    5,311.95x = 7,962.06 × 2,190.24
  4. Step 4: Simplify right side
    5,311.95x = 17,438,830.51
  5. Step 5: Solve for x
    x = 17,438,830.51/5,311.95
  6. Step 6: Final answer
    x = 3,282.95

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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.