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Finding the Fourth Proportional to 7,499.54, 10,349.93 and 4,313.81

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Solution

The fourth proportional to 7,499.54, 10,349.93 and 4,313.81 is: 5,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.54 : 10,349.93 = 4,313.81 : x
  2. Step 2: Convert to fraction form
    7,499.54/10,349.93 = 4,313.81/x
  3. Step 3: Cross multiply
    7,499.54x = 10,349.93 × 4,313.81
  4. Step 4: Simplify right side
    7,499.54x = 44,647,585.71
  5. Step 5: Solve for x
    x = 44,647,585.71/7,499.54
  6. Step 6: Final answer
    x = 5,953.38

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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.