Home / 7,444.16-11,144.52-5,578.32

Finding the Fourth Proportional to 7,444.16, 11,144.52 and 5,578.32

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Solution

The fourth proportional to 7,444.16, 11,144.52 and 5,578.32 is: 8,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.16 : 11,144.52 = 5,578.32 : x
  2. Step 2: Convert to fraction form
    7,444.16/11,144.52 = 5,578.32/x
  3. Step 3: Cross multiply
    7,444.16x = 11,144.52 × 5,578.32
  4. Step 4: Simplify right side
    7,444.16x = 62,167,698.81
  5. Step 5: Solve for x
    x = 62,167,698.81/7,444.16
  6. Step 6: Final answer
    x = 8,351.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.