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Finding the Fourth Proportional to 8,346.66, 11,519.04 and 4,811.01

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Solution

The fourth proportional to 8,346.66, 11,519.04 and 4,811.01 is: 6,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.66 : 11,519.04 = 4,811.01 : x
  2. Step 2: Convert to fraction form
    8,346.66/11,519.04 = 4,811.01/x
  3. Step 3: Cross multiply
    8,346.66x = 11,519.04 × 4,811.01
  4. Step 4: Simplify right side
    8,346.66x = 55,418,159.04
  5. Step 5: Solve for x
    x = 55,418,159.04/8,346.66
  6. Step 6: Final answer
    x = 6,639.57

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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.