Home / 7,729.40-11,594.10-4,440.80

Finding the Fourth Proportional to 7,729.40, 11,594.10 and 4,440.80

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Solution

The fourth proportional to 7,729.40, 11,594.10 and 4,440.80 is: 6,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.40 : 11,594.10 = 4,440.80 : x
  2. Step 2: Convert to fraction form
    7,729.40/11,594.10 = 4,440.80/x
  3. Step 3: Cross multiply
    7,729.40x = 11,594.10 × 4,440.80
  4. Step 4: Simplify right side
    7,729.40x = 51,487,079.28
  5. Step 5: Solve for x
    x = 51,487,079.28/7,729.40
  6. Step 6: Final answer
    x = 6,661.20

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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.