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Finding the Fourth Proportional to 5,899.89, 8,143.45 and 3,479.37

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Solution

The fourth proportional to 5,899.89, 8,143.45 and 3,479.37 is: 4,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.89 : 8,143.45 = 3,479.37 : x
  2. Step 2: Convert to fraction form
    5,899.89/8,143.45 = 3,479.37/x
  3. Step 3: Cross multiply
    5,899.89x = 8,143.45 × 3,479.37
  4. Step 4: Simplify right side
    5,899.89x = 28,334,075.63
  5. Step 5: Solve for x
    x = 28,334,075.63/5,899.89
  6. Step 6: Final answer
    x = 4,802.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.