Home / 5,246.46-7,240.14-2,888.60

Finding the Fourth Proportional to 5,246.46, 7,240.14 and 2,888.60

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Solution

The fourth proportional to 5,246.46, 7,240.14 and 2,888.60 is: 3,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.46 : 7,240.14 = 2,888.60 : x
  2. Step 2: Convert to fraction form
    5,246.46/7,240.14 = 2,888.60/x
  3. Step 3: Cross multiply
    5,246.46x = 7,240.14 × 2,888.60
  4. Step 4: Simplify right side
    5,246.46x = 20,913,821.37
  5. Step 5: Solve for x
    x = 20,913,821.37/5,246.46
  6. Step 6: Final answer
    x = 3,986.28

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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.