Home / 5,777.80-8,666.70-1,882.21

Finding the Fourth Proportional to 5,777.80, 8,666.70 and 1,882.21

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Solution

The fourth proportional to 5,777.80, 8,666.70 and 1,882.21 is: 2,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.80 : 8,666.70 = 1,882.21 : x
  2. Step 2: Convert to fraction form
    5,777.80/8,666.70 = 1,882.21/x
  3. Step 3: Cross multiply
    5,777.80x = 8,666.70 × 1,882.21
  4. Step 4: Simplify right side
    5,777.80x = 16,312,506.07
  5. Step 5: Solve for x
    x = 16,312,506.07/5,777.80
  6. Step 6: Final answer
    x = 2,823.31

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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.