Home / 7,448.68-10,279.12-4,464.64

Finding the Fourth Proportional to 7,448.68, 10,279.12 and 4,464.64

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Solution

The fourth proportional to 7,448.68, 10,279.12 and 4,464.64 is: 6,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.68 : 10,279.12 = 4,464.64 : x
  2. Step 2: Convert to fraction form
    7,448.68/10,279.12 = 4,464.64/x
  3. Step 3: Cross multiply
    7,448.68x = 10,279.12 × 4,464.64
  4. Step 4: Simplify right side
    7,448.68x = 45,892,570.32
  5. Step 5: Solve for x
    x = 45,892,570.32/7,448.68
  6. Step 6: Final answer
    x = 6,161.17

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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.