Home / 5,235.81-7,226.45-2,999.18

Finding the Fourth Proportional to 5,235.81, 7,226.45 and 2,999.18

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Solution

The fourth proportional to 5,235.81, 7,226.45 and 2,999.18 is: 4,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.81 : 7,226.45 = 2,999.18 : x
  2. Step 2: Convert to fraction form
    5,235.81/7,226.45 = 2,999.18/x
  3. Step 3: Cross multiply
    5,235.81x = 7,226.45 × 2,999.18
  4. Step 4: Simplify right side
    5,235.81x = 21,673,438.24
  5. Step 5: Solve for x
    x = 21,673,438.24/5,235.81
  6. Step 6: Final answer
    x = 4,139.46

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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.