Home / 5,278.51-7,923.90-3,088.81

Finding the Fourth Proportional to 5,278.51, 7,923.90 and 3,088.81

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Solution

The fourth proportional to 5,278.51, 7,923.90 and 3,088.81 is: 4,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.51 : 7,923.90 = 3,088.81 : x
  2. Step 2: Convert to fraction form
    5,278.51/7,923.90 = 3,088.81/x
  3. Step 3: Cross multiply
    5,278.51x = 7,923.90 × 3,088.81
  4. Step 4: Simplify right side
    5,278.51x = 24,475,421.56
  5. Step 5: Solve for x
    x = 24,475,421.56/5,278.51
  6. Step 6: Final answer
    x = 4,636.80

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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.