Home / 7,448.32-10,278.28-4,261.68

Finding the Fourth Proportional to 7,448.32, 10,278.28 and 4,261.68

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Solution

The fourth proportional to 7,448.32, 10,278.28 and 4,261.68 is: 5,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.32 : 10,278.28 = 4,261.68 : x
  2. Step 2: Convert to fraction form
    7,448.32/10,278.28 = 4,261.68/x
  3. Step 3: Cross multiply
    7,448.32x = 10,278.28 × 4,261.68
  4. Step 4: Simplify right side
    7,448.32x = 43,802,667.61
  5. Step 5: Solve for x
    x = 43,802,667.61/7,448.32
  6. Step 6: Final answer
    x = 5,880.88

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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.