Home / 9,189.19-13,782.96-2,947.50

Finding the Fourth Proportional to 9,189.19, 13,782.96 and 2,947.50

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Solution

The fourth proportional to 9,189.19, 13,782.96 and 2,947.50 is: 4,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.19 : 13,782.96 = 2,947.50 : x
  2. Step 2: Convert to fraction form
    9,189.19/13,782.96 = 2,947.50/x
  3. Step 3: Cross multiply
    9,189.19x = 13,782.96 × 2,947.50
  4. Step 4: Simplify right side
    9,189.19x = 40,625,326.29
  5. Step 5: Solve for x
    x = 40,625,326.29/9,189.19
  6. Step 6: Final answer
    x = 4,420.99

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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.