Home / 6,740.15-10,106.51-2,790.32

Finding the Fourth Proportional to 6,740.15, 10,106.51 and 2,790.32

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Solution

The fourth proportional to 6,740.15, 10,106.51 and 2,790.32 is: 4,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.15 : 10,106.51 = 2,790.32 : x
  2. Step 2: Convert to fraction form
    6,740.15/10,106.51 = 2,790.32/x
  3. Step 3: Cross multiply
    6,740.15x = 10,106.51 × 2,790.32
  4. Step 4: Simplify right side
    6,740.15x = 28,200,332.50
  5. Step 5: Solve for x
    x = 28,200,332.50/6,740.15
  6. Step 6: Final answer
    x = 4,183.94

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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.