Home / 5,113.02-7,669.26-1,415.37

Finding the Fourth Proportional to 5,113.02, 7,669.26 and 1,415.37

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Solution

The fourth proportional to 5,113.02, 7,669.26 and 1,415.37 is: 2,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.02 : 7,669.26 = 1,415.37 : x
  2. Step 2: Convert to fraction form
    5,113.02/7,669.26 = 1,415.37/x
  3. Step 3: Cross multiply
    5,113.02x = 7,669.26 × 1,415.37
  4. Step 4: Simplify right side
    5,113.02x = 10,854,840.53
  5. Step 5: Solve for x
    x = 10,854,840.53/5,113.02
  6. Step 6: Final answer
    x = 2,122.98

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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.