Home / 8,319.96-11,483.88-4,961.68

Finding the Fourth Proportional to 8,319.96, 11,483.88 and 4,961.68

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Solution

The fourth proportional to 8,319.96, 11,483.88 and 4,961.68 is: 6,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.96 : 11,483.88 = 4,961.68 : x
  2. Step 2: Convert to fraction form
    8,319.96/11,483.88 = 4,961.68/x
  3. Step 3: Cross multiply
    8,319.96x = 11,483.88 × 4,961.68
  4. Step 4: Simplify right side
    8,319.96x = 56,979,337.72
  5. Step 5: Solve for x
    x = 56,979,337.72/8,319.96
  6. Step 6: Final answer
    x = 6,848.51

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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.