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Finding the Fourth Proportional to 7,313.69, 10,971.30 and 2,383.71

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Solution

The fourth proportional to 7,313.69, 10,971.30 and 2,383.71 is: 3,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.69 : 10,971.30 = 2,383.71 : x
  2. Step 2: Convert to fraction form
    7,313.69/10,971.30 = 2,383.71/x
  3. Step 3: Cross multiply
    7,313.69x = 10,971.30 × 2,383.71
  4. Step 4: Simplify right side
    7,313.69x = 26,152,397.52
  5. Step 5: Solve for x
    x = 26,152,397.52/7,313.69
  6. Step 6: Final answer
    x = 3,575.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.