Home / 6,345.60-9,519.52-2,185.28

Finding the Fourth Proportional to 6,345.60, 9,519.52 and 2,185.28

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Solution

The fourth proportional to 6,345.60, 9,519.52 and 2,185.28 is: 3,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.60 : 9,519.52 = 2,185.28 : x
  2. Step 2: Convert to fraction form
    6,345.60/9,519.52 = 2,185.28/x
  3. Step 3: Cross multiply
    6,345.60x = 9,519.52 × 2,185.28
  4. Step 4: Simplify right side
    6,345.60x = 20,802,816.67
  5. Step 5: Solve for x
    x = 20,802,816.67/6,345.60
  6. Step 6: Final answer
    x = 3,278.31

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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.