Home / 5,190.15-7,782.71-2,416.17

Finding the Fourth Proportional to 5,190.15, 7,782.71 and 2,416.17

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Solution

The fourth proportional to 5,190.15, 7,782.71 and 2,416.17 is: 3,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.15 : 7,782.71 = 2,416.17 : x
  2. Step 2: Convert to fraction form
    5,190.15/7,782.71 = 2,416.17/x
  3. Step 3: Cross multiply
    5,190.15x = 7,782.71 × 2,416.17
  4. Step 4: Simplify right side
    5,190.15x = 18,804,338.34
  5. Step 5: Solve for x
    x = 18,804,338.34/5,190.15
  6. Step 6: Final answer
    x = 3,623.08

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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.