Home / 7,971.84-11,001.60-4,435.02

Finding the Fourth Proportional to 7,971.84, 11,001.60 and 4,435.02

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Solution

The fourth proportional to 7,971.84, 11,001.60 and 4,435.02 is: 6,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.84 : 11,001.60 = 4,435.02 : x
  2. Step 2: Convert to fraction form
    7,971.84/11,001.60 = 4,435.02/x
  3. Step 3: Cross multiply
    7,971.84x = 11,001.60 × 4,435.02
  4. Step 4: Simplify right side
    7,971.84x = 48,792,316.03
  5. Step 5: Solve for x
    x = 48,792,316.03/7,971.84
  6. Step 6: Final answer
    x = 6,120.58

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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.