Home / 9,319.76-13,980.08-3,080.33

Finding the Fourth Proportional to 9,319.76, 13,980.08 and 3,080.33

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Solution

The fourth proportional to 9,319.76, 13,980.08 and 3,080.33 is: 4,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.76 : 13,980.08 = 3,080.33 : x
  2. Step 2: Convert to fraction form
    9,319.76/13,980.08 = 3,080.33/x
  3. Step 3: Cross multiply
    9,319.76x = 13,980.08 × 3,080.33
  4. Step 4: Simplify right side
    9,319.76x = 43,063,259.83
  5. Step 5: Solve for x
    x = 43,063,259.83/9,319.76
  6. Step 6: Final answer
    x = 4,620.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.