Home / 4,972.14-7,457.81-2,890.81

Finding the Fourth Proportional to 4,972.14, 7,457.81 and 2,890.81

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Solution

The fourth proportional to 4,972.14, 7,457.81 and 2,890.81 is: 4,335.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.14 : 7,457.81 = 2,890.81 : x
  2. Step 2: Convert to fraction form
    4,972.14/7,457.81 = 2,890.81/x
  3. Step 3: Cross multiply
    4,972.14x = 7,457.81 × 2,890.81
  4. Step 4: Simplify right side
    4,972.14x = 21,559,128.28
  5. Step 5: Solve for x
    x = 21,559,128.28/4,972.14
  6. Step 6: Final answer
    x = 4,335.99

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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.