Home / 6,511.53-8,985.83-3,527.29

Finding the Fourth Proportional to 6,511.53, 8,985.83 and 3,527.29

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Solution

The fourth proportional to 6,511.53, 8,985.83 and 3,527.29 is: 4,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.53 : 8,985.83 = 3,527.29 : x
  2. Step 2: Convert to fraction form
    6,511.53/8,985.83 = 3,527.29/x
  3. Step 3: Cross multiply
    6,511.53x = 8,985.83 × 3,527.29
  4. Step 4: Simplify right side
    6,511.53x = 31,695,628.30
  5. Step 5: Solve for x
    x = 31,695,628.30/6,511.53
  6. Step 6: Final answer
    x = 4,867.62

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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.