Home / 7,020.80-9,693.25-4,369.28

Finding the Fourth Proportional to 7,020.80, 9,693.25 and 4,369.28

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Solution

The fourth proportional to 7,020.80, 9,693.25 and 4,369.28 is: 6,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.80 : 9,693.25 = 4,369.28 : x
  2. Step 2: Convert to fraction form
    7,020.80/9,693.25 = 4,369.28/x
  3. Step 3: Cross multiply
    7,020.80x = 9,693.25 × 4,369.28
  4. Step 4: Simplify right side
    7,020.80x = 42,352,463.97
  5. Step 5: Solve for x
    x = 42,352,463.97/7,020.80
  6. Step 6: Final answer
    x = 6,032.43

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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.