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Finding the Fourth Proportional to 8,320.52, 11,483.43 and 8,047.01

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Solution

The fourth proportional to 8,320.52, 11,483.43 and 8,047.01 is: 11,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.52 : 11,483.43 = 8,047.01 : x
  2. Step 2: Convert to fraction form
    8,320.52/11,483.43 = 8,047.01/x
  3. Step 3: Cross multiply
    8,320.52x = 11,483.43 × 8,047.01
  4. Step 4: Simplify right side
    8,320.52x = 92,407,276.04
  5. Step 5: Solve for x
    x = 92,407,276.04/8,320.52
  6. Step 6: Final answer
    x = 11,105.95

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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.