Home / 7,454.46-10,290.39-4,805.34

Finding the Fourth Proportional to 7,454.46, 10,290.39 and 4,805.34

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Solution

The fourth proportional to 7,454.46, 10,290.39 and 4,805.34 is: 6,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.46 : 10,290.39 = 4,805.34 : x
  2. Step 2: Convert to fraction form
    7,454.46/10,290.39 = 4,805.34/x
  3. Step 3: Cross multiply
    7,454.46x = 10,290.39 × 4,805.34
  4. Step 4: Simplify right side
    7,454.46x = 49,448,822.68
  5. Step 5: Solve for x
    x = 49,448,822.68/7,454.46
  6. Step 6: Final answer
    x = 6,633.45

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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.