Home / 8,848.70-12,212.55-5,313.86

Finding the Fourth Proportional to 8,848.70, 12,212.55 and 5,313.86

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Solution

The fourth proportional to 8,848.70, 12,212.55 and 5,313.86 is: 7,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.70 : 12,212.55 = 5,313.86 : x
  2. Step 2: Convert to fraction form
    8,848.70/12,212.55 = 5,313.86/x
  3. Step 3: Cross multiply
    8,848.70x = 12,212.55 × 5,313.86
  4. Step 4: Simplify right side
    8,848.70x = 64,895,780.94
  5. Step 5: Solve for x
    x = 64,895,780.94/8,848.70
  6. Step 6: Final answer
    x = 7,333.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.