Home / 7,127.46-9,827.87-4,606.25

Finding the Fourth Proportional to 7,127.46, 9,827.87 and 4,606.25

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Solution

The fourth proportional to 7,127.46, 9,827.87 and 4,606.25 is: 6,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.46 : 9,827.87 = 4,606.25 : x
  2. Step 2: Convert to fraction form
    7,127.46/9,827.87 = 4,606.25/x
  3. Step 3: Cross multiply
    7,127.46x = 9,827.87 × 4,606.25
  4. Step 4: Simplify right side
    7,127.46x = 45,269,554.02
  5. Step 5: Solve for x
    x = 45,269,554.02/7,127.46
  6. Step 6: Final answer
    x = 6,351.43

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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.