Home / 4,438.08-6,656.40-3,135.60

Finding the Fourth Proportional to 4,438.08, 6,656.40 and 3,135.60

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Solution

The fourth proportional to 4,438.08, 6,656.40 and 3,135.60 is: 4,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.08 : 6,656.40 = 3,135.60 : x
  2. Step 2: Convert to fraction form
    4,438.08/6,656.40 = 3,135.60/x
  3. Step 3: Cross multiply
    4,438.08x = 6,656.40 × 3,135.60
  4. Step 4: Simplify right side
    4,438.08x = 20,871,807.84
  5. Step 5: Solve for x
    x = 20,871,807.84/4,438.08
  6. Step 6: Final answer
    x = 4,702.89

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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.