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Finding the Fourth Proportional to 7,493.91, 10,345.10 and 4,349.49

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Solution

The fourth proportional to 7,493.91, 10,345.10 and 4,349.49 is: 6,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.91 : 10,345.10 = 4,349.49 : x
  2. Step 2: Convert to fraction form
    7,493.91/10,345.10 = 4,349.49/x
  3. Step 3: Cross multiply
    7,493.91x = 10,345.10 × 4,349.49
  4. Step 4: Simplify right side
    7,493.91x = 44,995,887.25
  5. Step 5: Solve for x
    x = 44,995,887.25/7,493.91
  6. Step 6: Final answer
    x = 6,004.33

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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.