Home / 5,281.90-7,289.01-2,924.05

Finding the Fourth Proportional to 5,281.90, 7,289.01 and 2,924.05

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Solution

The fourth proportional to 5,281.90, 7,289.01 and 2,924.05 is: 4,035.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.90 : 7,289.01 = 2,924.05 : x
  2. Step 2: Convert to fraction form
    5,281.90/7,289.01 = 2,924.05/x
  3. Step 3: Cross multiply
    5,281.90x = 7,289.01 × 2,924.05
  4. Step 4: Simplify right side
    5,281.90x = 21,313,429.69
  5. Step 5: Solve for x
    x = 21,313,429.69/5,281.90
  6. Step 6: Final answer
    x = 4,035.18

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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.