Home / 6,511.21-8,985.40-3,527.01

Finding the Fourth Proportional to 6,511.21, 8,985.40 and 3,527.01

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Solution

The fourth proportional to 6,511.21, 8,985.40 and 3,527.01 is: 4,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.21 : 8,985.40 = 3,527.01 : x
  2. Step 2: Convert to fraction form
    6,511.21/8,985.40 = 3,527.01/x
  3. Step 3: Cross multiply
    6,511.21x = 8,985.40 × 3,527.01
  4. Step 4: Simplify right side
    6,511.21x = 31,691,586.84
  5. Step 5: Solve for x
    x = 31,691,586.84/6,511.21
  6. Step 6: Final answer
    x = 4,867.24

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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.