Home / 5,006.22-7,509.85-1,718.89

Finding the Fourth Proportional to 5,006.22, 7,509.85 and 1,718.89

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Solution

The fourth proportional to 5,006.22, 7,509.85 and 1,718.89 is: 2,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.22 : 7,509.85 = 1,718.89 : x
  2. Step 2: Convert to fraction form
    5,006.22/7,509.85 = 1,718.89/x
  3. Step 3: Cross multiply
    5,006.22x = 7,509.85 × 1,718.89
  4. Step 4: Simplify right side
    5,006.22x = 12,908,606.07
  5. Step 5: Solve for x
    x = 12,908,606.07/5,006.22
  6. Step 6: Final answer
    x = 2,578.51

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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.