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Finding the Fourth Proportional to 5,777.34, 8,666.91 and 1,880.84

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Solution

The fourth proportional to 5,777.34, 8,666.91 and 1,880.84 is: 2,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.34 : 8,666.91 = 1,880.84 : x
  2. Step 2: Convert to fraction form
    5,777.34/8,666.91 = 1,880.84/x
  3. Step 3: Cross multiply
    5,777.34x = 8,666.91 × 1,880.84
  4. Step 4: Simplify right side
    5,777.34x = 16,301,027.67
  5. Step 5: Solve for x
    x = 16,301,027.67/5,777.34
  6. Step 6: Final answer
    x = 2,821.55

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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.