Home / 5,122.83-7,682.34-1,612.29

Finding the Fourth Proportional to 5,122.83, 7,682.34 and 1,612.29

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Solution

The fourth proportional to 5,122.83, 7,682.34 and 1,612.29 is: 2,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.83 : 7,682.34 = 1,612.29 : x
  2. Step 2: Convert to fraction form
    5,122.83/7,682.34 = 1,612.29/x
  3. Step 3: Cross multiply
    5,122.83x = 7,682.34 × 1,612.29
  4. Step 4: Simplify right side
    5,122.83x = 12,386,159.96
  5. Step 5: Solve for x
    x = 12,386,159.96/5,122.83
  6. Step 6: Final answer
    x = 2,417.84

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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.