Home / 6,448.32-8,899.38-3,616.16

Finding the Fourth Proportional to 6,448.32, 8,899.38 and 3,616.16

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Solution

The fourth proportional to 6,448.32, 8,899.38 and 3,616.16 is: 4,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.32 : 8,899.38 = 3,616.16 : x
  2. Step 2: Convert to fraction form
    6,448.32/8,899.38 = 3,616.16/x
  3. Step 3: Cross multiply
    6,448.32x = 8,899.38 × 3,616.16
  4. Step 4: Simplify right side
    6,448.32x = 32,181,581.98
  5. Step 5: Solve for x
    x = 32,181,581.98/6,448.32
  6. Step 6: Final answer
    x = 4,990.69

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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.