Home / 4,690.31-6,472.63-2,565.80

Finding the Fourth Proportional to 4,690.31, 6,472.63 and 2,565.80

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Solution

The fourth proportional to 4,690.31, 6,472.63 and 2,565.80 is: 3,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.31 : 6,472.63 = 2,565.80 : x
  2. Step 2: Convert to fraction form
    4,690.31/6,472.63 = 2,565.80/x
  3. Step 3: Cross multiply
    4,690.31x = 6,472.63 × 2,565.80
  4. Step 4: Simplify right side
    4,690.31x = 16,607,483.82
  5. Step 5: Solve for x
    x = 16,607,483.82/4,690.31
  6. Step 6: Final answer
    x = 3,540.81

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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.