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Finding the Fourth Proportional to 6,012.88, 9,019.29 and 1,630.32

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Solution

The fourth proportional to 6,012.88, 9,019.29 and 1,630.32 is: 2,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,012.88 : 9,019.29 = 1,630.32 : x
  2. Step 2: Convert to fraction form
    6,012.88/9,019.29 = 1,630.32/x
  3. Step 3: Cross multiply
    6,012.88x = 9,019.29 × 1,630.32
  4. Step 4: Simplify right side
    6,012.88x = 14,704,328.87
  5. Step 5: Solve for x
    x = 14,704,328.87/6,012.88
  6. Step 6: Final answer
    x = 2,445.47

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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.