Home / 5,242.74-7,234.83-2,884.83

Finding the Fourth Proportional to 5,242.74, 7,234.83 and 2,884.83

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Solution

The fourth proportional to 5,242.74, 7,234.83 and 2,884.83 is: 3,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.74 : 7,234.83 = 2,884.83 : x
  2. Step 2: Convert to fraction form
    5,242.74/7,234.83 = 2,884.83/x
  3. Step 3: Cross multiply
    5,242.74x = 7,234.83 × 2,884.83
  4. Step 4: Simplify right side
    5,242.74x = 20,871,254.63
  5. Step 5: Solve for x
    x = 20,871,254.63/5,242.74
  6. Step 6: Final answer
    x = 3,980.98

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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.