Home / 5,152.96-7,729.98-1,643.23

Finding the Fourth Proportional to 5,152.96, 7,729.98 and 1,643.23

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Solution

The fourth proportional to 5,152.96, 7,729.98 and 1,643.23 is: 2,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.96 : 7,729.98 = 1,643.23 : x
  2. Step 2: Convert to fraction form
    5,152.96/7,729.98 = 1,643.23/x
  3. Step 3: Cross multiply
    5,152.96x = 7,729.98 × 1,643.23
  4. Step 4: Simplify right side
    5,152.96x = 12,702,135.04
  5. Step 5: Solve for x
    x = 12,702,135.04/5,152.96
  6. Step 6: Final answer
    x = 2,465.02

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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.