Home / 7,521.12-10,382.04-4,726.08

Finding the Fourth Proportional to 7,521.12, 10,382.04 and 4,726.08

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Solution

The fourth proportional to 7,521.12, 10,382.04 and 4,726.08 is: 6,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.12 : 10,382.04 = 4,726.08 : x
  2. Step 2: Convert to fraction form
    7,521.12/10,382.04 = 4,726.08/x
  3. Step 3: Cross multiply
    7,521.12x = 10,382.04 × 4,726.08
  4. Step 4: Simplify right side
    7,521.12x = 49,066,351.60
  5. Step 5: Solve for x
    x = 49,066,351.60/7,521.12
  6. Step 6: Final answer
    x = 6,523.81

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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.