Home / 5,235.31-7,224.96-2,877.67

Finding the Fourth Proportional to 5,235.31, 7,224.96 and 2,877.67

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Solution

The fourth proportional to 5,235.31, 7,224.96 and 2,877.67 is: 3,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.31 : 7,224.96 = 2,877.67 : x
  2. Step 2: Convert to fraction form
    5,235.31/7,224.96 = 2,877.67/x
  3. Step 3: Cross multiply
    5,235.31x = 7,224.96 × 2,877.67
  4. Step 4: Simplify right side
    5,235.31x = 20,791,050.64
  5. Step 5: Solve for x
    x = 20,791,050.64/5,235.31
  6. Step 6: Final answer
    x = 3,971.31

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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.