Home / 8,848.20-12,211.86-5,313.36

Finding the Fourth Proportional to 8,848.20, 12,211.86 and 5,313.36

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Solution

The fourth proportional to 8,848.20, 12,211.86 and 5,313.36 is: 7,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.20 : 12,211.86 = 5,313.36 : x
  2. Step 2: Convert to fraction form
    8,848.20/12,211.86 = 5,313.36/x
  3. Step 3: Cross multiply
    8,848.20x = 12,211.86 × 5,313.36
  4. Step 4: Simplify right side
    8,848.20x = 64,886,008.45
  5. Step 5: Solve for x
    x = 64,886,008.45/8,848.20
  6. Step 6: Final answer
    x = 7,333.24

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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.