Home / 6,911.08-10,366.46-2,807.08

Finding the Fourth Proportional to 6,911.08, 10,366.46 and 2,807.08

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Solution

The fourth proportional to 6,911.08, 10,366.46 and 2,807.08 is: 4,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.08 : 10,366.46 = 2,807.08 : x
  2. Step 2: Convert to fraction form
    6,911.08/10,366.46 = 2,807.08/x
  3. Step 3: Cross multiply
    6,911.08x = 10,366.46 × 2,807.08
  4. Step 4: Simplify right side
    6,911.08x = 29,099,482.54
  5. Step 5: Solve for x
    x = 29,099,482.54/6,911.08
  6. Step 6: Final answer
    x = 4,210.56

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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.