Home / 8,319.84-11,481.04-4,962.60

Finding the Fourth Proportional to 8,319.84, 11,481.04 and 4,962.60

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Solution

The fourth proportional to 8,319.84, 11,481.04 and 4,962.60 is: 6,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.84 : 11,481.04 = 4,962.60 : x
  2. Step 2: Convert to fraction form
    8,319.84/11,481.04 = 4,962.60/x
  3. Step 3: Cross multiply
    8,319.84x = 11,481.04 × 4,962.60
  4. Step 4: Simplify right side
    8,319.84x = 56,975,809.10
  5. Step 5: Solve for x
    x = 56,975,809.10/8,319.84
  6. Step 6: Final answer
    x = 6,848.19

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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.