Home / 5,177.77-7,762.18-2,403.02

Finding the Fourth Proportional to 5,177.77, 7,762.18 and 2,403.02

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Solution

The fourth proportional to 5,177.77, 7,762.18 and 2,403.02 is: 3,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.77 : 7,762.18 = 2,403.02 : x
  2. Step 2: Convert to fraction form
    5,177.77/7,762.18 = 2,403.02/x
  3. Step 3: Cross multiply
    5,177.77x = 7,762.18 × 2,403.02
  4. Step 4: Simplify right side
    5,177.77x = 18,652,648.02
  5. Step 5: Solve for x
    x = 18,652,648.02/5,177.77
  6. Step 6: Final answer
    x = 3,602.45

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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.