Home / 8,156.50-12,235.36-2,313.58

Finding the Fourth Proportional to 8,156.50, 12,235.36 and 2,313.58

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Solution

The fourth proportional to 8,156.50, 12,235.36 and 2,313.58 is: 3,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.50 : 12,235.36 = 2,313.58 : x
  2. Step 2: Convert to fraction form
    8,156.50/12,235.36 = 2,313.58/x
  3. Step 3: Cross multiply
    8,156.50x = 12,235.36 × 2,313.58
  4. Step 4: Simplify right side
    8,156.50x = 28,307,484.19
  5. Step 5: Solve for x
    x = 28,307,484.19/8,156.50
  6. Step 6: Final answer
    x = 3,470.54

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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.