Home / 5,005.96-7,509.78-1,718.26

Finding the Fourth Proportional to 5,005.96, 7,509.78 and 1,718.26

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Solution

The fourth proportional to 5,005.96, 7,509.78 and 1,718.26 is: 2,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.96 : 7,509.78 = 1,718.26 : x
  2. Step 2: Convert to fraction form
    5,005.96/7,509.78 = 1,718.26/x
  3. Step 3: Cross multiply
    5,005.96x = 7,509.78 × 1,718.26
  4. Step 4: Simplify right side
    5,005.96x = 12,903,735.81
  5. Step 5: Solve for x
    x = 12,903,735.81/5,005.96
  6. Step 6: Final answer
    x = 2,577.68

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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.