Home / 5,005.43-7,509.23-1,718.60

Finding the Fourth Proportional to 5,005.43, 7,509.23 and 1,718.60

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Solution

The fourth proportional to 5,005.43, 7,509.23 and 1,718.60 is: 2,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.43 : 7,509.23 = 1,718.60 : x
  2. Step 2: Convert to fraction form
    5,005.43/7,509.23 = 1,718.60/x
  3. Step 3: Cross multiply
    5,005.43x = 7,509.23 × 1,718.60
  4. Step 4: Simplify right side
    5,005.43x = 12,905,316.54
  5. Step 5: Solve for x
    x = 12,905,316.54/5,005.43
  6. Step 6: Final answer
    x = 2,578.27

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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.