Home / 7,334.20-11,001.20-1,787.50

Finding the Fourth Proportional to 7,334.20, 11,001.20 and 1,787.50

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Solution

The fourth proportional to 7,334.20, 11,001.20 and 1,787.50 is: 2,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.20 : 11,001.20 = 1,787.50 : x
  2. Step 2: Convert to fraction form
    7,334.20/11,001.20 = 1,787.50/x
  3. Step 3: Cross multiply
    7,334.20x = 11,001.20 × 1,787.50
  4. Step 4: Simplify right side
    7,334.20x = 19,664,645
  5. Step 5: Solve for x
    x = 19,664,645/7,334.20
  6. Step 6: Final answer
    x = 2,681.23

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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.