Home / 5,116.40-7,674.60-3,257.45

Finding the Fourth Proportional to 5,116.40, 7,674.60 and 3,257.45

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Solution

The fourth proportional to 5,116.40, 7,674.60 and 3,257.45 is: 4,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.40 : 7,674.60 = 3,257.45 : x
  2. Step 2: Convert to fraction form
    5,116.40/7,674.60 = 3,257.45/x
  3. Step 3: Cross multiply
    5,116.40x = 7,674.60 × 3,257.45
  4. Step 4: Simplify right side
    5,116.40x = 24,999,625.77
  5. Step 5: Solve for x
    x = 24,999,625.77/5,116.40
  6. Step 6: Final answer
    x = 4,886.18

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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.