Home / 6,948.72-10,421.40-3,247.44

Finding the Fourth Proportional to 6,948.72, 10,421.40 and 3,247.44

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Solution

The fourth proportional to 6,948.72, 10,421.40 and 3,247.44 is: 4,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.72 : 10,421.40 = 3,247.44 : x
  2. Step 2: Convert to fraction form
    6,948.72/10,421.40 = 3,247.44/x
  3. Step 3: Cross multiply
    6,948.72x = 10,421.40 × 3,247.44
  4. Step 4: Simplify right side
    6,948.72x = 33,842,871.22
  5. Step 5: Solve for x
    x = 33,842,871.22/6,948.72
  6. Step 6: Final answer
    x = 4,870.37

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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.