Home / 4,612.98-6,920.48-1,325.82

Finding the Fourth Proportional to 4,612.98, 6,920.48 and 1,325.82

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Solution

The fourth proportional to 4,612.98, 6,920.48 and 1,325.82 is: 1,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.98 : 6,920.48 = 1,325.82 : x
  2. Step 2: Convert to fraction form
    4,612.98/6,920.48 = 1,325.82/x
  3. Step 3: Cross multiply
    4,612.98x = 6,920.48 × 1,325.82
  4. Step 4: Simplify right side
    4,612.98x = 9,175,310.79
  5. Step 5: Solve for x
    x = 9,175,310.79/4,612.98
  6. Step 6: Final answer
    x = 1,989.02

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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.