Home / 6,511.16-8,985.38-3,526.99

Finding the Fourth Proportional to 6,511.16, 8,985.38 and 3,526.99

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Solution

The fourth proportional to 6,511.16, 8,985.38 and 3,526.99 is: 4,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.16 : 8,985.38 = 3,526.99 : x
  2. Step 2: Convert to fraction form
    6,511.16/8,985.38 = 3,526.99/x
  3. Step 3: Cross multiply
    6,511.16x = 8,985.38 × 3,526.99
  4. Step 4: Simplify right side
    6,511.16x = 31,691,305.31
  5. Step 5: Solve for x
    x = 31,691,305.31/6,511.16
  6. Step 6: Final answer
    x = 4,867.23

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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.