Home / 8,307.39-11,455.43-6,179.52

Finding the Fourth Proportional to 8,307.39, 11,455.43 and 6,179.52

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Solution

The fourth proportional to 8,307.39, 11,455.43 and 6,179.52 is: 8,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.39 : 11,455.43 = 6,179.52 : x
  2. Step 2: Convert to fraction form
    8,307.39/11,455.43 = 6,179.52/x
  3. Step 3: Cross multiply
    8,307.39x = 11,455.43 × 6,179.52
  4. Step 4: Simplify right side
    8,307.39x = 70,789,070.85
  5. Step 5: Solve for x
    x = 70,789,070.85/8,307.39
  6. Step 6: Final answer
    x = 8,521.21

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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.