Home / 7,454.82-10,288.63-4,809.92

Finding the Fourth Proportional to 7,454.82, 10,288.63 and 4,809.92

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Solution

The fourth proportional to 7,454.82, 10,288.63 and 4,809.92 is: 6,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.82 : 10,288.63 = 4,809.92 : x
  2. Step 2: Convert to fraction form
    7,454.82/10,288.63 = 4,809.92/x
  3. Step 3: Cross multiply
    7,454.82x = 10,288.63 × 4,809.92
  4. Step 4: Simplify right side
    7,454.82x = 49,487,463.16
  5. Step 5: Solve for x
    x = 49,487,463.16/7,454.82
  6. Step 6: Final answer
    x = 6,638.32

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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.