Home / 8,148.84-11,245.14-4,611.30

Finding the Fourth Proportional to 8,148.84, 11,245.14 and 4,611.30

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Solution

The fourth proportional to 8,148.84, 11,245.14 and 4,611.30 is: 6,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.84 : 11,245.14 = 4,611.30 : x
  2. Step 2: Convert to fraction form
    8,148.84/11,245.14 = 4,611.30/x
  3. Step 3: Cross multiply
    8,148.84x = 11,245.14 × 4,611.30
  4. Step 4: Simplify right side
    8,148.84x = 51,854,714.08
  5. Step 5: Solve for x
    x = 51,854,714.08/8,148.84
  6. Step 6: Final answer
    x = 6,363.45

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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.