Home / 7,811.23-10,775.77-4,825.99

Finding the Fourth Proportional to 7,811.23, 10,775.77 and 4,825.99

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Solution

The fourth proportional to 7,811.23, 10,775.77 and 4,825.99 is: 6,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.23 : 10,775.77 = 4,825.99 : x
  2. Step 2: Convert to fraction form
    7,811.23/10,775.77 = 4,825.99/x
  3. Step 3: Cross multiply
    7,811.23x = 10,775.77 × 4,825.99
  4. Step 4: Simplify right side
    7,811.23x = 52,003,758.26
  5. Step 5: Solve for x
    x = 52,003,758.26/7,811.23
  6. Step 6: Final answer
    x = 6,657.56

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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.