Home / 6,215.77-9,321.27-2,055.07

Finding the Fourth Proportional to 6,215.77, 9,321.27 and 2,055.07

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Solution

The fourth proportional to 6,215.77, 9,321.27 and 2,055.07 is: 3,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.77 : 9,321.27 = 2,055.07 : x
  2. Step 2: Convert to fraction form
    6,215.77/9,321.27 = 2,055.07/x
  3. Step 3: Cross multiply
    6,215.77x = 9,321.27 × 2,055.07
  4. Step 4: Simplify right side
    6,215.77x = 19,155,862.34
  5. Step 5: Solve for x
    x = 19,155,862.34/6,215.77
  6. Step 6: Final answer
    x = 3,081.82

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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.