Home / 5,153.31-7,731.41-1,692.99

Finding the Fourth Proportional to 5,153.31, 7,731.41 and 1,692.99

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Solution

The fourth proportional to 5,153.31, 7,731.41 and 1,692.99 is: 2,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.31 : 7,731.41 = 1,692.99 : x
  2. Step 2: Convert to fraction form
    5,153.31/7,731.41 = 1,692.99/x
  3. Step 3: Cross multiply
    5,153.31x = 7,731.41 × 1,692.99
  4. Step 4: Simplify right side
    5,153.31x = 13,089,199.82
  5. Step 5: Solve for x
    x = 13,089,199.82/5,153.31
  6. Step 6: Final answer
    x = 2,539.96

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1.5x scale

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.