Home / 4,317.86-6,476.79-1,720.82

Finding the Fourth Proportional to 4,317.86, 6,476.79 and 1,720.82

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Solution

The fourth proportional to 4,317.86, 6,476.79 and 1,720.82 is: 2,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.86 : 6,476.79 = 1,720.82 : x
  2. Step 2: Convert to fraction form
    4,317.86/6,476.79 = 1,720.82/x
  3. Step 3: Cross multiply
    4,317.86x = 6,476.79 × 1,720.82
  4. Step 4: Simplify right side
    4,317.86x = 11,145,389.77
  5. Step 5: Solve for x
    x = 11,145,389.77/4,317.86
  6. Step 6: Final answer
    x = 2,581.23

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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.