Home / 4,747.86-6,555.87-2,982.06

Finding the Fourth Proportional to 4,747.86, 6,555.87 and 2,982.06

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Solution

The fourth proportional to 4,747.86, 6,555.87 and 2,982.06 is: 4,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.86 : 6,555.87 = 2,982.06 : x
  2. Step 2: Convert to fraction form
    4,747.86/6,555.87 = 2,982.06/x
  3. Step 3: Cross multiply
    4,747.86x = 6,555.87 × 2,982.06
  4. Step 4: Simplify right side
    4,747.86x = 19,549,997.69
  5. Step 5: Solve for x
    x = 19,549,997.69/4,747.86
  6. Step 6: Final answer
    x = 4,117.64

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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.