Home / 7,962.30-11,945.34-2,415.29

Finding the Fourth Proportional to 7,962.30, 11,945.34 and 2,415.29

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Solution

The fourth proportional to 7,962.30, 11,945.34 and 2,415.29 is: 3,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.30 : 11,945.34 = 2,415.29 : x
  2. Step 2: Convert to fraction form
    7,962.30/11,945.34 = 2,415.29/x
  3. Step 3: Cross multiply
    7,962.30x = 11,945.34 × 2,415.29
  4. Step 4: Simplify right side
    7,962.30x = 28,851,400.52
  5. Step 5: Solve for x
    x = 28,851,400.52/7,962.30
  6. Step 6: Final answer
    x = 3,623.50

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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.