Home / 5,005.51-7,509.32-1,717.72

Finding the Fourth Proportional to 5,005.51, 7,509.32 and 1,717.72

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Solution

The fourth proportional to 5,005.51, 7,509.32 and 1,717.72 is: 2,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.51 : 7,509.32 = 1,717.72 : x
  2. Step 2: Convert to fraction form
    5,005.51/7,509.32 = 1,717.72/x
  3. Step 3: Cross multiply
    5,005.51x = 7,509.32 × 1,717.72
  4. Step 4: Simplify right side
    5,005.51x = 12,898,863.02
  5. Step 5: Solve for x
    x = 12,898,863.02/5,005.51
  6. Step 6: Final answer
    x = 2,576.94

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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.