Home / 7,800.15-10,766.08-4,443.79

Finding the Fourth Proportional to 7,800.15, 10,766.08 and 4,443.79

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Solution

The fourth proportional to 7,800.15, 10,766.08 and 4,443.79 is: 6,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.15 : 10,766.08 = 4,443.79 : x
  2. Step 2: Convert to fraction form
    7,800.15/10,766.08 = 4,443.79/x
  3. Step 3: Cross multiply
    7,800.15x = 10,766.08 × 4,443.79
  4. Step 4: Simplify right side
    7,800.15x = 47,842,148.44
  5. Step 5: Solve for x
    x = 47,842,148.44/7,800.15
  6. Step 6: Final answer
    x = 6,133.49

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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.