Home / 4,820.34-7,243.47-3,679.86

Finding the Fourth Proportional to 4,820.34, 7,243.47 and 3,679.86

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Solution

The fourth proportional to 4,820.34, 7,243.47 and 3,679.86 is: 5,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.34 : 7,243.47 = 3,679.86 : x
  2. Step 2: Convert to fraction form
    4,820.34/7,243.47 = 3,679.86/x
  3. Step 3: Cross multiply
    4,820.34x = 7,243.47 × 3,679.86
  4. Step 4: Simplify right side
    4,820.34x = 26,654,955.51
  5. Step 5: Solve for x
    x = 26,654,955.51/4,820.34
  6. Step 6: Final answer
    x = 5,529.68

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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.