Home / 6,947.18-10,421.13-3,984.83

Finding the Fourth Proportional to 6,947.18, 10,421.13 and 3,984.83

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Solution

The fourth proportional to 6,947.18, 10,421.13 and 3,984.83 is: 5,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.18 : 10,421.13 = 3,984.83 : x
  2. Step 2: Convert to fraction form
    6,947.18/10,421.13 = 3,984.83/x
  3. Step 3: Cross multiply
    6,947.18x = 10,421.13 × 3,984.83
  4. Step 4: Simplify right side
    6,947.18x = 41,526,466.13
  5. Step 5: Solve for x
    x = 41,526,466.13/6,947.18
  6. Step 6: Final answer
    x = 5,977.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.