Home / 7,479.87-11,220.63-2,548.59

Finding the Fourth Proportional to 7,479.87, 11,220.63 and 2,548.59

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Solution

The fourth proportional to 7,479.87, 11,220.63 and 2,548.59 is: 3,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.87 : 11,220.63 = 2,548.59 : x
  2. Step 2: Convert to fraction form
    7,479.87/11,220.63 = 2,548.59/x
  3. Step 3: Cross multiply
    7,479.87x = 11,220.63 × 2,548.59
  4. Step 4: Simplify right side
    7,479.87x = 28,596,785.41
  5. Step 5: Solve for x
    x = 28,596,785.41/7,479.87
  6. Step 6: Final answer
    x = 3,823.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.