Home / 5,077.08-7,616.40-1,614

Finding the Fourth Proportional to 5,077.08, 7,616.40 and 1,614

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Solution

The fourth proportional to 5,077.08, 7,616.40 and 1,614 is: 2,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.08 : 7,616.40 = 1,614 : x
  2. Step 2: Convert to fraction form
    5,077.08/7,616.40 = 1,614/x
  3. Step 3: Cross multiply
    5,077.08x = 7,616.40 × 1,614
  4. Step 4: Simplify right side
    5,077.08x = 12,292,869.60
  5. Step 5: Solve for x
    x = 12,292,869.60/5,077.08
  6. Step 6: Final answer
    x = 2,421.25

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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.