Home / 8,307.04-11,449.20-6,207.52

Finding the Fourth Proportional to 8,307.04, 11,449.20 and 6,207.52

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Solution

The fourth proportional to 8,307.04, 11,449.20 and 6,207.52 is: 8,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.04 : 11,449.20 = 6,207.52 : x
  2. Step 2: Convert to fraction form
    8,307.04/11,449.20 = 6,207.52/x
  3. Step 3: Cross multiply
    8,307.04x = 11,449.20 × 6,207.52
  4. Step 4: Simplify right side
    8,307.04x = 71,071,137.98
  5. Step 5: Solve for x
    x = 71,071,137.98/8,307.04
  6. Step 6: Final answer
    x = 8,555.53

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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.