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Finding the Fourth Proportional to 8,341.03, 11,505.34 and 5,620.17

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Solution

The fourth proportional to 8,341.03, 11,505.34 and 5,620.17 is: 7,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.03 : 11,505.34 = 5,620.17 : x
  2. Step 2: Convert to fraction form
    8,341.03/11,505.34 = 5,620.17/x
  3. Step 3: Cross multiply
    8,341.03x = 11,505.34 × 5,620.17
  4. Step 4: Simplify right side
    8,341.03x = 64,661,966.71
  5. Step 5: Solve for x
    x = 64,661,966.71/8,341.03
  6. Step 6: Final answer
    x = 7,752.28

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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.