Home / 7,400.24-11,104.08-3,240.28

Finding the Fourth Proportional to 7,400.24, 11,104.08 and 3,240.28

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Solution

The fourth proportional to 7,400.24, 11,104.08 and 3,240.28 is: 4,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.24 : 11,104.08 = 3,240.28 : x
  2. Step 2: Convert to fraction form
    7,400.24/11,104.08 = 3,240.28/x
  3. Step 3: Cross multiply
    7,400.24x = 11,104.08 × 3,240.28
  4. Step 4: Simplify right side
    7,400.24x = 35,980,328.34
  5. Step 5: Solve for x
    x = 35,980,328.34/7,400.24
  6. Step 6: Final answer
    x = 4,862.05

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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.