Home / 7,887.42-11,832.75-2,957.04

Finding the Fourth Proportional to 7,887.42, 11,832.75 and 2,957.04

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Solution

The fourth proportional to 7,887.42, 11,832.75 and 2,957.04 is: 4,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.42 : 11,832.75 = 2,957.04 : x
  2. Step 2: Convert to fraction form
    7,887.42/11,832.75 = 2,957.04/x
  3. Step 3: Cross multiply
    7,887.42x = 11,832.75 × 2,957.04
  4. Step 4: Simplify right side
    7,887.42x = 34,989,915.06
  5. Step 5: Solve for x
    x = 34,989,915.06/7,887.42
  6. Step 6: Final answer
    x = 4,436.17

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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.