Home / 4,445.35-6,663.38-1,811.72

Finding the Fourth Proportional to 4,445.35, 6,663.38 and 1,811.72

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Solution

The fourth proportional to 4,445.35, 6,663.38 and 1,811.72 is: 2,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.35 : 6,663.38 = 1,811.72 : x
  2. Step 2: Convert to fraction form
    4,445.35/6,663.38 = 1,811.72/x
  3. Step 3: Cross multiply
    4,445.35x = 6,663.38 × 1,811.72
  4. Step 4: Simplify right side
    4,445.35x = 12,072,186.41
  5. Step 5: Solve for x
    x = 12,072,186.41/4,445.35
  6. Step 6: Final answer
    x = 2,715.69

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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.