Home / 7,621.31-11,421.95-3,233.34

Finding the Fourth Proportional to 7,621.31, 11,421.95 and 3,233.34

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Solution

The fourth proportional to 7,621.31, 11,421.95 and 3,233.34 is: 4,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.31 : 11,421.95 = 3,233.34 : x
  2. Step 2: Convert to fraction form
    7,621.31/11,421.95 = 3,233.34/x
  3. Step 3: Cross multiply
    7,621.31x = 11,421.95 × 3,233.34
  4. Step 4: Simplify right side
    7,621.31x = 36,931,031.65
  5. Step 5: Solve for x
    x = 36,931,031.65/7,621.31
  6. Step 6: Final answer
    x = 4,845.76

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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.