Home / 6,558.12-9,838.40-2,665.26

Finding the Fourth Proportional to 6,558.12, 9,838.40 and 2,665.26

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Solution

The fourth proportional to 6,558.12, 9,838.40 and 2,665.26 is: 3,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.12 : 9,838.40 = 2,665.26 : x
  2. Step 2: Convert to fraction form
    6,558.12/9,838.40 = 2,665.26/x
  3. Step 3: Cross multiply
    6,558.12x = 9,838.40 × 2,665.26
  4. Step 4: Simplify right side
    6,558.12x = 26,221,880.66
  5. Step 5: Solve for x
    x = 26,221,880.66/6,558.12
  6. Step 6: Final answer
    x = 3,998.38

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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.