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Finding the Fourth Proportional to 7,309.05, 10,079.87 and 4,790.25

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Solution

The fourth proportional to 7,309.05, 10,079.87 and 4,790.25 is: 6,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.05 : 10,079.87 = 4,790.25 : x
  2. Step 2: Convert to fraction form
    7,309.05/10,079.87 = 4,790.25/x
  3. Step 3: Cross multiply
    7,309.05x = 10,079.87 × 4,790.25
  4. Step 4: Simplify right side
    7,309.05x = 48,285,073.32
  5. Step 5: Solve for x
    x = 48,285,073.32/7,309.05
  6. Step 6: Final answer
    x = 6,606.20

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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.