Home / 4,665.09-6,435.66-2,985.69

Finding the Fourth Proportional to 4,665.09, 6,435.66 and 2,985.69

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Solution

The fourth proportional to 4,665.09, 6,435.66 and 2,985.69 is: 4,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.09 : 6,435.66 = 2,985.69 : x
  2. Step 2: Convert to fraction form
    4,665.09/6,435.66 = 2,985.69/x
  3. Step 3: Cross multiply
    4,665.09x = 6,435.66 × 2,985.69
  4. Step 4: Simplify right side
    4,665.09x = 19,214,885.71
  5. Step 5: Solve for x
    x = 19,214,885.71/4,665.09
  6. Step 6: Final answer
    x = 4,118.87

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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.