Home / 9,219.48-13,830.36-2,645.79

Finding the Fourth Proportional to 9,219.48, 13,830.36 and 2,645.79

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Solution

The fourth proportional to 9,219.48, 13,830.36 and 2,645.79 is: 3,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.48 : 13,830.36 = 2,645.79 : x
  2. Step 2: Convert to fraction form
    9,219.48/13,830.36 = 2,645.79/x
  3. Step 3: Cross multiply
    9,219.48x = 13,830.36 × 2,645.79
  4. Step 4: Simplify right side
    9,219.48x = 36,592,228.18
  5. Step 5: Solve for x
    x = 36,592,228.18/9,219.48
  6. Step 6: Final answer
    x = 3,969.01

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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.