Home / 5,151.03-7,723.99-1,640.58

Finding the Fourth Proportional to 5,151.03, 7,723.99 and 1,640.58

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Solution

The fourth proportional to 5,151.03, 7,723.99 and 1,640.58 is: 2,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.03 : 7,723.99 = 1,640.58 : x
  2. Step 2: Convert to fraction form
    5,151.03/7,723.99 = 1,640.58/x
  3. Step 3: Cross multiply
    5,151.03x = 7,723.99 × 1,640.58
  4. Step 4: Simplify right side
    5,151.03x = 12,671,804.93
  5. Step 5: Solve for x
    x = 12,671,804.93/5,151.03
  6. Step 6: Final answer
    x = 2,460.05

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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.