Home / 7,811.44-10,781.00-4,669.45

Finding the Fourth Proportional to 7,811.44, 10,781.00 and 4,669.45

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Solution

The fourth proportional to 7,811.44, 10,781.00 and 4,669.45 is: 6,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.44 : 10,781.00 = 4,669.45 : x
  2. Step 2: Convert to fraction form
    7,811.44/10,781.00 = 4,669.45/x
  3. Step 3: Cross multiply
    7,811.44x = 10,781.00 × 4,669.45
  4. Step 4: Simplify right side
    7,811.44x = 50,341,307.66
  5. Step 5: Solve for x
    x = 50,341,307.66/7,811.44
  6. Step 6: Final answer
    x = 6,444.56

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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.