Home / 8,749.38-13,124.34-2,509.98

Finding the Fourth Proportional to 8,749.38, 13,124.34 and 2,509.98

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Solution

The fourth proportional to 8,749.38, 13,124.34 and 2,509.98 is: 3,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.38 : 13,124.34 = 2,509.98 : x
  2. Step 2: Convert to fraction form
    8,749.38/13,124.34 = 2,509.98/x
  3. Step 3: Cross multiply
    8,749.38x = 13,124.34 × 2,509.98
  4. Step 4: Simplify right side
    8,749.38x = 32,941,830.91
  5. Step 5: Solve for x
    x = 32,941,830.91/8,749.38
  6. Step 6: Final answer
    x = 3,765.05

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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.