Home / 4,977.23-7,476.70-4,811.15

Finding the Fourth Proportional to 4,977.23, 7,476.70 and 4,811.15

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Solution

The fourth proportional to 4,977.23, 7,476.70 and 4,811.15 is: 7,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.23 : 7,476.70 = 4,811.15 : x
  2. Step 2: Convert to fraction form
    4,977.23/7,476.70 = 4,811.15/x
  3. Step 3: Cross multiply
    4,977.23x = 7,476.70 × 4,811.15
  4. Step 4: Simplify right side
    4,977.23x = 35,971,525.21
  5. Step 5: Solve for x
    x = 35,971,525.21/4,977.23
  6. Step 6: Final answer
    x = 7,227.22

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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.