Home / 6,539.03-9,807.17-2,155.45

Finding the Fourth Proportional to 6,539.03, 9,807.17 and 2,155.45

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Solution

The fourth proportional to 6,539.03, 9,807.17 and 2,155.45 is: 3,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.03 : 9,807.17 = 2,155.45 : x
  2. Step 2: Convert to fraction form
    6,539.03/9,807.17 = 2,155.45/x
  3. Step 3: Cross multiply
    6,539.03x = 9,807.17 × 2,155.45
  4. Step 4: Simplify right side
    6,539.03x = 21,138,829.28
  5. Step 5: Solve for x
    x = 21,138,829.28/6,539.03
  6. Step 6: Final answer
    x = 3,232.72

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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.