Home / 8,148.10-11,244.55-4,611.31

Finding the Fourth Proportional to 8,148.10, 11,244.55 and 4,611.31

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Solution

The fourth proportional to 8,148.10, 11,244.55 and 4,611.31 is: 6,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.10 : 11,244.55 = 4,611.31 : x
  2. Step 2: Convert to fraction form
    8,148.10/11,244.55 = 4,611.31/x
  3. Step 3: Cross multiply
    8,148.10x = 11,244.55 × 4,611.31
  4. Step 4: Simplify right side
    8,148.10x = 51,852,026.58
  5. Step 5: Solve for x
    x = 51,852,026.58/8,148.10
  6. Step 6: Final answer
    x = 6,363.70

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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.