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Finding the Fourth Proportional to 6,875.68, 9,484.96 and 4,353.56

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Solution

The fourth proportional to 6,875.68, 9,484.96 and 4,353.56 is: 6,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.68 : 9,484.96 = 4,353.56 : x
  2. Step 2: Convert to fraction form
    6,875.68/9,484.96 = 4,353.56/x
  3. Step 3: Cross multiply
    6,875.68x = 9,484.96 × 4,353.56
  4. Step 4: Simplify right side
    6,875.68x = 41,293,342.46
  5. Step 5: Solve for x
    x = 41,293,342.46/6,875.68
  6. Step 6: Final answer
    x = 6,005.71

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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.