Home / 6,315.18-9,476.98-2,211.18

Finding the Fourth Proportional to 6,315.18, 9,476.98 and 2,211.18

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Solution

The fourth proportional to 6,315.18, 9,476.98 and 2,211.18 is: 3,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.18 : 9,476.98 = 2,211.18 : x
  2. Step 2: Convert to fraction form
    6,315.18/9,476.98 = 2,211.18/x
  3. Step 3: Cross multiply
    6,315.18x = 9,476.98 × 2,211.18
  4. Step 4: Simplify right side
    6,315.18x = 20,955,308.64
  5. Step 5: Solve for x
    x = 20,955,308.64/6,315.18
  6. Step 6: Final answer
    x = 3,318.24

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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.