Home / 9,259.45-13,890.53-3,415.57

Finding the Fourth Proportional to 9,259.45, 13,890.53 and 3,415.57

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Solution

The fourth proportional to 9,259.45, 13,890.53 and 3,415.57 is: 5,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.45 : 13,890.53 = 3,415.57 : x
  2. Step 2: Convert to fraction form
    9,259.45/13,890.53 = 3,415.57/x
  3. Step 3: Cross multiply
    9,259.45x = 13,890.53 × 3,415.57
  4. Step 4: Simplify right side
    9,259.45x = 47,444,077.55
  5. Step 5: Solve for x
    x = 47,444,077.55/9,259.45
  6. Step 6: Final answer
    x = 5,123.85

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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.