Home / 6,511.36-8,985.54-3,527.08

Finding the Fourth Proportional to 6,511.36, 8,985.54 and 3,527.08

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Solution

The fourth proportional to 6,511.36, 8,985.54 and 3,527.08 is: 4,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.36 : 8,985.54 = 3,527.08 : x
  2. Step 2: Convert to fraction form
    6,511.36/8,985.54 = 3,527.08/x
  3. Step 3: Cross multiply
    6,511.36x = 8,985.54 × 3,527.08
  4. Step 4: Simplify right side
    6,511.36x = 31,692,718.42
  5. Step 5: Solve for x
    x = 31,692,718.42/6,511.36
  6. Step 6: Final answer
    x = 4,867.30

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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.