Home / 8,307.24-11,453.22-6,885.72

Finding the Fourth Proportional to 8,307.24, 11,453.22 and 6,885.72

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Solution

The fourth proportional to 8,307.24, 11,453.22 and 6,885.72 is: 9,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.24 : 11,453.22 = 6,885.72 : x
  2. Step 2: Convert to fraction form
    8,307.24/11,453.22 = 6,885.72/x
  3. Step 3: Cross multiply
    8,307.24x = 11,453.22 × 6,885.72
  4. Step 4: Simplify right side
    8,307.24x = 78,863,666.02
  5. Step 5: Solve for x
    x = 78,863,666.02/8,307.24
  6. Step 6: Final answer
    x = 9,493.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.