Home / 5,415.60-8,125.05-2,293.98

Finding the Fourth Proportional to 5,415.60, 8,125.05 and 2,293.98

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Solution

The fourth proportional to 5,415.60, 8,125.05 and 2,293.98 is: 3,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.60 : 8,125.05 = 2,293.98 : x
  2. Step 2: Convert to fraction form
    5,415.60/8,125.05 = 2,293.98/x
  3. Step 3: Cross multiply
    5,415.60x = 8,125.05 × 2,293.98
  4. Step 4: Simplify right side
    5,415.60x = 18,638,702.20
  5. Step 5: Solve for x
    x = 18,638,702.20/5,415.60
  6. Step 6: Final answer
    x = 3,441.67

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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.