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Finding the Fourth Proportional to 5,893.65, 8,130.51 and 3,531.69

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Solution

The fourth proportional to 5,893.65, 8,130.51 and 3,531.69 is: 4,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893.65 : 8,130.51 = 3,531.69 : x
  2. Step 2: Convert to fraction form
    5,893.65/8,130.51 = 3,531.69/x
  3. Step 3: Cross multiply
    5,893.65x = 8,130.51 × 3,531.69
  4. Step 4: Simplify right side
    5,893.65x = 28,714,440.86
  5. Step 5: Solve for x
    x = 28,714,440.86/5,893.65
  6. Step 6: Final answer
    x = 4,872.10

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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.