Home / 4,386.50-6,582.99-2,078

Finding the Fourth Proportional to 4,386.50, 6,582.99 and 2,078

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Solution

The fourth proportional to 4,386.50, 6,582.99 and 2,078 is: 3,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.50 : 6,582.99 = 2,078 : x
  2. Step 2: Convert to fraction form
    4,386.50/6,582.99 = 2,078/x
  3. Step 3: Cross multiply
    4,386.50x = 6,582.99 × 2,078
  4. Step 4: Simplify right side
    4,386.50x = 13,679,453.22
  5. Step 5: Solve for x
    x = 13,679,453.22/4,386.50
  6. Step 6: Final answer
    x = 3,118.53

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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.