Home / 5,655.01-7,803.70-3,137.60

Finding the Fourth Proportional to 5,655.01, 7,803.70 and 3,137.60

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Solution

The fourth proportional to 5,655.01, 7,803.70 and 3,137.60 is: 4,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.01 : 7,803.70 = 3,137.60 : x
  2. Step 2: Convert to fraction form
    5,655.01/7,803.70 = 3,137.60/x
  3. Step 3: Cross multiply
    5,655.01x = 7,803.70 × 3,137.60
  4. Step 4: Simplify right side
    5,655.01x = 24,484,889.12
  5. Step 5: Solve for x
    x = 24,484,889.12/5,655.01
  6. Step 6: Final answer
    x = 4,329.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.