Home / 9,322.31-13,980.48-3,081.15

Finding the Fourth Proportional to 9,322.31, 13,980.48 and 3,081.15

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Solution

The fourth proportional to 9,322.31, 13,980.48 and 3,081.15 is: 4,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.31 : 13,980.48 = 3,081.15 : x
  2. Step 2: Convert to fraction form
    9,322.31/13,980.48 = 3,081.15/x
  3. Step 3: Cross multiply
    9,322.31x = 13,980.48 × 3,081.15
  4. Step 4: Simplify right side
    9,322.31x = 43,075,955.95
  5. Step 5: Solve for x
    x = 43,075,955.95/9,322.31
  6. Step 6: Final answer
    x = 4,620.74

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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.