Home / 6,215.95-9,321.70-2,055.19

Finding the Fourth Proportional to 6,215.95, 9,321.70 and 2,055.19

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Solution

The fourth proportional to 6,215.95, 9,321.70 and 2,055.19 is: 3,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.95 : 9,321.70 = 2,055.19 : x
  2. Step 2: Convert to fraction form
    6,215.95/9,321.70 = 2,055.19/x
  3. Step 3: Cross multiply
    6,215.95x = 9,321.70 × 2,055.19
  4. Step 4: Simplify right side
    6,215.95x = 19,157,864.62
  5. Step 5: Solve for x
    x = 19,157,864.62/6,215.95
  6. Step 6: Final answer
    x = 3,082.05

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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.