Home / 7,104.08-9,803.60-3,960.24

Finding the Fourth Proportional to 7,104.08, 9,803.60 and 3,960.24

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Solution

The fourth proportional to 7,104.08, 9,803.60 and 3,960.24 is: 5,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.08 : 9,803.60 = 3,960.24 : x
  2. Step 2: Convert to fraction form
    7,104.08/9,803.60 = 3,960.24/x
  3. Step 3: Cross multiply
    7,104.08x = 9,803.60 × 3,960.24
  4. Step 4: Simplify right side
    7,104.08x = 38,824,608.86
  5. Step 5: Solve for x
    x = 38,824,608.86/7,104.08
  6. Step 6: Final answer
    x = 5,465.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.