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Finding the Fourth Proportional to 5,773.90, 8,621.48 and 4,590.58

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Solution

The fourth proportional to 5,773.90, 8,621.48 and 4,590.58 is: 6,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.90 : 8,621.48 = 4,590.58 : x
  2. Step 2: Convert to fraction form
    5,773.90/8,621.48 = 4,590.58/x
  3. Step 3: Cross multiply
    5,773.90x = 8,621.48 × 4,590.58
  4. Step 4: Simplify right side
    5,773.90x = 39,577,593.66
  5. Step 5: Solve for x
    x = 39,577,593.66/5,773.90
  6. Step 6: Final answer
    x = 6,854.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.