Home / 5,091.16-7,637.93-1,580.98

Finding the Fourth Proportional to 5,091.16, 7,637.93 and 1,580.98

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Solution

The fourth proportional to 5,091.16, 7,637.93 and 1,580.98 is: 2,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.16 : 7,637.93 = 1,580.98 : x
  2. Step 2: Convert to fraction form
    5,091.16/7,637.93 = 1,580.98/x
  3. Step 3: Cross multiply
    5,091.16x = 7,637.93 × 1,580.98
  4. Step 4: Simplify right side
    5,091.16x = 12,075,414.57
  5. Step 5: Solve for x
    x = 12,075,414.57/5,091.16
  6. Step 6: Final answer
    x = 2,371.84

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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.