Home / 8,166.91-11,270-4,630.05

Finding the Fourth Proportional to 8,166.91, 11,270 and 4,630.05

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Solution

The fourth proportional to 8,166.91, 11,270 and 4,630.05 is: 6,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.91 : 11,270 = 4,630.05 : x
  2. Step 2: Convert to fraction form
    8,166.91/11,270 = 4,630.05/x
  3. Step 3: Cross multiply
    8,166.91x = 11,270 × 4,630.05
  4. Step 4: Simplify right side
    8,166.91x = 52,180,663.50
  5. Step 5: Solve for x
    x = 52,180,663.50/8,166.91
  6. Step 6: Final answer
    x = 6,389.28

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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.