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Finding the Fourth Proportional to 5,776.77, 8,666.24 and 1,880.13

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Solution

The fourth proportional to 5,776.77, 8,666.24 and 1,880.13 is: 2,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.77 : 8,666.24 = 1,880.13 : x
  2. Step 2: Convert to fraction form
    5,776.77/8,666.24 = 1,880.13/x
  3. Step 3: Cross multiply
    5,776.77x = 8,666.24 × 1,880.13
  4. Step 4: Simplify right side
    5,776.77x = 16,293,648.41
  5. Step 5: Solve for x
    x = 16,293,648.41/5,776.77
  6. Step 6: Final answer
    x = 2,820.55

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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.