Home / 7,390.15-10,198.15-4,405.93

Finding the Fourth Proportional to 7,390.15, 10,198.15 and 4,405.93

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Solution

The fourth proportional to 7,390.15, 10,198.15 and 4,405.93 is: 6,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.15 : 10,198.15 = 4,405.93 : x
  2. Step 2: Convert to fraction form
    7,390.15/10,198.15 = 4,405.93/x
  3. Step 3: Cross multiply
    7,390.15x = 10,198.15 × 4,405.93
  4. Step 4: Simplify right side
    7,390.15x = 44,932,335.03
  5. Step 5: Solve for x
    x = 44,932,335.03/7,390.15
  6. Step 6: Final answer
    x = 6,080.03

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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.