Home / 6,807.10-10,205.85-2,643.64

Finding the Fourth Proportional to 6,807.10, 10,205.85 and 2,643.64

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Solution

The fourth proportional to 6,807.10, 10,205.85 and 2,643.64 is: 3,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.10 : 10,205.85 = 2,643.64 : x
  2. Step 2: Convert to fraction form
    6,807.10/10,205.85 = 2,643.64/x
  3. Step 3: Cross multiply
    6,807.10x = 10,205.85 × 2,643.64
  4. Step 4: Simplify right side
    6,807.10x = 26,980,580.08
  5. Step 5: Solve for x
    x = 26,980,580.08/6,807.10
  6. Step 6: Final answer
    x = 3,963.59

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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.