Home / 5,083.02-7,624.80-1,620

Finding the Fourth Proportional to 5,083.02, 7,624.80 and 1,620

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Solution

The fourth proportional to 5,083.02, 7,624.80 and 1,620 is: 2,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.02 : 7,624.80 = 1,620 : x
  2. Step 2: Convert to fraction form
    5,083.02/7,624.80 = 1,620/x
  3. Step 3: Cross multiply
    5,083.02x = 7,624.80 × 1,620
  4. Step 4: Simplify right side
    5,083.02x = 12,352,176
  5. Step 5: Solve for x
    x = 12,352,176/5,083.02
  6. Step 6: Final answer
    x = 2,430.09

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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.