Home / 4,578.86-6,317.19-2,589.40

Finding the Fourth Proportional to 4,578.86, 6,317.19 and 2,589.40

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Solution

The fourth proportional to 4,578.86, 6,317.19 and 2,589.40 is: 3,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.86 : 6,317.19 = 2,589.40 : x
  2. Step 2: Convert to fraction form
    4,578.86/6,317.19 = 2,589.40/x
  3. Step 3: Cross multiply
    4,578.86x = 6,317.19 × 2,589.40
  4. Step 4: Simplify right side
    4,578.86x = 16,357,739.68
  5. Step 5: Solve for x
    x = 16,357,739.68/4,578.86
  6. Step 6: Final answer
    x = 3,572.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.