Home / 4,445.84-6,131.76-4,147.76

Finding the Fourth Proportional to 4,445.84, 6,131.76 and 4,147.76

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Solution

The fourth proportional to 4,445.84, 6,131.76 and 4,147.76 is: 5,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.84 : 6,131.76 = 4,147.76 : x
  2. Step 2: Convert to fraction form
    4,445.84/6,131.76 = 4,147.76/x
  3. Step 3: Cross multiply
    4,445.84x = 6,131.76 × 4,147.76
  4. Step 4: Simplify right side
    4,445.84x = 25,433,068.86
  5. Step 5: Solve for x
    x = 25,433,068.86/4,445.84
  6. Step 6: Final answer
    x = 5,720.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.