Home / 6,511.32-8,985.62-3,527.16

Finding the Fourth Proportional to 6,511.32, 8,985.62 and 3,527.16

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Solution

The fourth proportional to 6,511.32, 8,985.62 and 3,527.16 is: 4,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.32 : 8,985.62 = 3,527.16 : x
  2. Step 2: Convert to fraction form
    6,511.32/8,985.62 = 3,527.16/x
  3. Step 3: Cross multiply
    6,511.32x = 8,985.62 × 3,527.16
  4. Step 4: Simplify right side
    6,511.32x = 31,693,694.56
  5. Step 5: Solve for x
    x = 31,693,694.56/6,511.32
  6. Step 6: Final answer
    x = 4,867.48

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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.