Home / 6,511.44-8,985.78-3,527.28

Finding the Fourth Proportional to 6,511.44, 8,985.78 and 3,527.28

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Solution

The fourth proportional to 6,511.44, 8,985.78 and 3,527.28 is: 4,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.44 : 8,985.78 = 3,527.28 : x
  2. Step 2: Convert to fraction form
    6,511.44/8,985.78 = 3,527.28/x
  3. Step 3: Cross multiply
    6,511.44x = 8,985.78 × 3,527.28
  4. Step 4: Simplify right side
    6,511.44x = 31,695,362.08
  5. Step 5: Solve for x
    x = 31,695,362.08/6,511.44
  6. Step 6: Final answer
    x = 4,867.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.