Home / 9,240.80-13,857.59-2,999.30

Finding the Fourth Proportional to 9,240.80, 13,857.59 and 2,999.30

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Solution

The fourth proportional to 9,240.80, 13,857.59 and 2,999.30 is: 4,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.80 : 13,857.59 = 2,999.30 : x
  2. Step 2: Convert to fraction form
    9,240.80/13,857.59 = 2,999.30/x
  3. Step 3: Cross multiply
    9,240.80x = 13,857.59 × 2,999.30
  4. Step 4: Simplify right side
    9,240.80x = 41,562,985.40
  5. Step 5: Solve for x
    x = 41,562,985.40/9,240.80
  6. Step 6: Final answer
    x = 4,497.77

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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.