Home / 6,886.28-10,330.10-2,205.11

Finding the Fourth Proportional to 6,886.28, 10,330.10 and 2,205.11

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Solution

The fourth proportional to 6,886.28, 10,330.10 and 2,205.11 is: 3,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.28 : 10,330.10 = 2,205.11 : x
  2. Step 2: Convert to fraction form
    6,886.28/10,330.10 = 2,205.11/x
  3. Step 3: Cross multiply
    6,886.28x = 10,330.10 × 2,205.11
  4. Step 4: Simplify right side
    6,886.28x = 22,779,038.15
  5. Step 5: Solve for x
    x = 22,779,038.15/6,886.28
  6. Step 6: Final answer
    x = 3,307.89

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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.