Home / 6,345.59-9,518.63-2,185.56

Finding the Fourth Proportional to 6,345.59, 9,518.63 and 2,185.56

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Solution

The fourth proportional to 6,345.59, 9,518.63 and 2,185.56 is: 3,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.59 : 9,518.63 = 2,185.56 : x
  2. Step 2: Convert to fraction form
    6,345.59/9,518.63 = 2,185.56/x
  3. Step 3: Cross multiply
    6,345.59x = 9,518.63 × 2,185.56
  4. Step 4: Simplify right side
    6,345.59x = 20,803,526.06
  5. Step 5: Solve for x
    x = 20,803,526.06/6,345.59
  6. Step 6: Final answer
    x = 3,278.43

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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.