Home / 6,215.19-9,316.29-2,515.92

Finding the Fourth Proportional to 6,215.19, 9,316.29 and 2,515.92

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Solution

The fourth proportional to 6,215.19, 9,316.29 and 2,515.92 is: 3,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.19 : 9,316.29 = 2,515.92 : x
  2. Step 2: Convert to fraction form
    6,215.19/9,316.29 = 2,515.92/x
  3. Step 3: Cross multiply
    6,215.19x = 9,316.29 × 2,515.92
  4. Step 4: Simplify right side
    6,215.19x = 23,439,040.34
  5. Step 5: Solve for x
    x = 23,439,040.34/6,215.19
  6. Step 6: Final answer
    x = 3,771.25

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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.