Home / 5,079.69-7,009.86-2,955.60

Finding the Fourth Proportional to 5,079.69, 7,009.86 and 2,955.60

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Solution

The fourth proportional to 5,079.69, 7,009.86 and 2,955.60 is: 4,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.69 : 7,009.86 = 2,955.60 : x
  2. Step 2: Convert to fraction form
    5,079.69/7,009.86 = 2,955.60/x
  3. Step 3: Cross multiply
    5,079.69x = 7,009.86 × 2,955.60
  4. Step 4: Simplify right side
    5,079.69x = 20,718,342.22
  5. Step 5: Solve for x
    x = 20,718,342.22/5,079.69
  6. Step 6: Final answer
    x = 4,078.66

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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.