Home / 6,445.31-9,660.88-3,325.53

Finding the Fourth Proportional to 6,445.31, 9,660.88 and 3,325.53

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Solution

The fourth proportional to 6,445.31, 9,660.88 and 3,325.53 is: 4,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.31 : 9,660.88 = 3,325.53 : x
  2. Step 2: Convert to fraction form
    6,445.31/9,660.88 = 3,325.53/x
  3. Step 3: Cross multiply
    6,445.31x = 9,660.88 × 3,325.53
  4. Step 4: Simplify right side
    6,445.31x = 32,127,586.65
  5. Step 5: Solve for x
    x = 32,127,586.65/6,445.31
  6. Step 6: Final answer
    x = 4,984.65

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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.