Home / 7,448.40-10,278.72-4,304.52

Finding the Fourth Proportional to 7,448.40, 10,278.72 and 4,304.52

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Solution

The fourth proportional to 7,448.40, 10,278.72 and 4,304.52 is: 5,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.40 : 10,278.72 = 4,304.52 : x
  2. Step 2: Convert to fraction form
    7,448.40/10,278.72 = 4,304.52/x
  3. Step 3: Cross multiply
    7,448.40x = 10,278.72 × 4,304.52
  4. Step 4: Simplify right side
    7,448.40x = 44,244,955.81
  5. Step 5: Solve for x
    x = 44,244,955.81/7,448.40
  6. Step 6: Final answer
    x = 5,940.20

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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.