Home / 4,649.82-6,972.96-1,875.76

Finding the Fourth Proportional to 4,649.82, 6,972.96 and 1,875.76

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Solution

The fourth proportional to 4,649.82, 6,972.96 and 1,875.76 is: 2,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.82 : 6,972.96 = 1,875.76 : x
  2. Step 2: Convert to fraction form
    4,649.82/6,972.96 = 1,875.76/x
  3. Step 3: Cross multiply
    4,649.82x = 6,972.96 × 1,875.76
  4. Step 4: Simplify right side
    4,649.82x = 13,079,599.45
  5. Step 5: Solve for x
    x = 13,079,599.45/4,649.82
  6. Step 6: Final answer
    x = 2,812.93

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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.