Home / 5,089.16-7,634.93-1,578.98

Finding the Fourth Proportional to 5,089.16, 7,634.93 and 1,578.98

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Solution

The fourth proportional to 5,089.16, 7,634.93 and 1,578.98 is: 2,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.16 : 7,634.93 = 1,578.98 : x
  2. Step 2: Convert to fraction form
    5,089.16/7,634.93 = 1,578.98/x
  3. Step 3: Cross multiply
    5,089.16x = 7,634.93 × 1,578.98
  4. Step 4: Simplify right side
    5,089.16x = 12,055,412.96
  5. Step 5: Solve for x
    x = 12,055,412.96/5,089.16
  6. Step 6: Final answer
    x = 2,368.84

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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.