Home / 9,219.42-13,829.13-2,984.75

Finding the Fourth Proportional to 9,219.42, 13,829.13 and 2,984.75

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Solution

The fourth proportional to 9,219.42, 13,829.13 and 2,984.75 is: 4,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.42 : 13,829.13 = 2,984.75 : x
  2. Step 2: Convert to fraction form
    9,219.42/13,829.13 = 2,984.75/x
  3. Step 3: Cross multiply
    9,219.42x = 13,829.13 × 2,984.75
  4. Step 4: Simplify right side
    9,219.42x = 41,276,478.48
  5. Step 5: Solve for x
    x = 41,276,478.48/9,219.42
  6. Step 6: Final answer
    x = 4,477.12

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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.