Home / 4,445.64-6,666.30-1,324.85

Finding the Fourth Proportional to 4,445.64, 6,666.30 and 1,324.85

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Solution

The fourth proportional to 4,445.64, 6,666.30 and 1,324.85 is: 1,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.64 : 6,666.30 = 1,324.85 : x
  2. Step 2: Convert to fraction form
    4,445.64/6,666.30 = 1,324.85/x
  3. Step 3: Cross multiply
    4,445.64x = 6,666.30 × 1,324.85
  4. Step 4: Simplify right side
    4,445.64x = 8,831,814.22
  5. Step 5: Solve for x
    x = 8,831,814.22/4,445.64
  6. Step 6: Final answer
    x = 1,986.62

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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.