Home / 6,215.70-9,315.27-2,316.18

Finding the Fourth Proportional to 6,215.70, 9,315.27 and 2,316.18

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Solution

The fourth proportional to 6,215.70, 9,315.27 and 2,316.18 is: 3,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.70 : 9,315.27 = 2,316.18 : x
  2. Step 2: Convert to fraction form
    6,215.70/9,315.27 = 2,316.18/x
  3. Step 3: Cross multiply
    6,215.70x = 9,315.27 × 2,316.18
  4. Step 4: Simplify right side
    6,215.70x = 21,575,842.07
  5. Step 5: Solve for x
    x = 21,575,842.07/6,215.70
  6. Step 6: Final answer
    x = 3,471.18

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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.