Home / 7,260.84-10,889.64-2,877.12

Finding the Fourth Proportional to 7,260.84, 10,889.64 and 2,877.12

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Solution

The fourth proportional to 7,260.84, 10,889.64 and 2,877.12 is: 4,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.84 : 10,889.64 = 2,877.12 : x
  2. Step 2: Convert to fraction form
    7,260.84/10,889.64 = 2,877.12/x
  3. Step 3: Cross multiply
    7,260.84x = 10,889.64 × 2,877.12
  4. Step 4: Simplify right side
    7,260.84x = 31,330,801.04
  5. Step 5: Solve for x
    x = 31,330,801.04/7,260.84
  6. Step 6: Final answer
    x = 4,315.04

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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.