Home / 7,777.15-10,731.69-4,373.80

Finding the Fourth Proportional to 7,777.15, 10,731.69 and 4,373.80

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Solution

The fourth proportional to 7,777.15, 10,731.69 and 4,373.80 is: 6,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.15 : 10,731.69 = 4,373.80 : x
  2. Step 2: Convert to fraction form
    7,777.15/10,731.69 = 4,373.80/x
  3. Step 3: Cross multiply
    7,777.15x = 10,731.69 × 4,373.80
  4. Step 4: Simplify right side
    7,777.15x = 46,938,238.89
  5. Step 5: Solve for x
    x = 46,938,238.89/7,777.15
  6. Step 6: Final answer
    x = 6,035.41

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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.