Home / 8,328.69-11,488.29-6,334.88

Finding the Fourth Proportional to 8,328.69, 11,488.29 and 6,334.88

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Solution

The fourth proportional to 8,328.69, 11,488.29 and 6,334.88 is: 8,738.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.69 : 11,488.29 = 6,334.88 : x
  2. Step 2: Convert to fraction form
    8,328.69/11,488.29 = 6,334.88/x
  3. Step 3: Cross multiply
    8,328.69x = 11,488.29 × 6,334.88
  4. Step 4: Simplify right side
    8,328.69x = 72,776,881.11
  5. Step 5: Solve for x
    x = 72,776,881.11/8,328.69
  6. Step 6: Final answer
    x = 8,738.09

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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.