Home / 6,390.86-9,587.63-2,008.74

Finding the Fourth Proportional to 6,390.86, 9,587.63 and 2,008.74

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Solution

The fourth proportional to 6,390.86, 9,587.63 and 2,008.74 is: 3,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.86 : 9,587.63 = 2,008.74 : x
  2. Step 2: Convert to fraction form
    6,390.86/9,587.63 = 2,008.74/x
  3. Step 3: Cross multiply
    6,390.86x = 9,587.63 × 2,008.74
  4. Step 4: Simplify right side
    6,390.86x = 19,259,055.89
  5. Step 5: Solve for x
    x = 19,259,055.89/6,390.86
  6. Step 6: Final answer
    x = 3,013.53

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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.