Home / 9,002.21-13,505.40-2,762.24

Finding the Fourth Proportional to 9,002.21, 13,505.40 and 2,762.24

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Solution

The fourth proportional to 9,002.21, 13,505.40 and 2,762.24 is: 4,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.21 : 13,505.40 = 2,762.24 : x
  2. Step 2: Convert to fraction form
    9,002.21/13,505.40 = 2,762.24/x
  3. Step 3: Cross multiply
    9,002.21x = 13,505.40 × 2,762.24
  4. Step 4: Simplify right side
    9,002.21x = 37,305,088.57
  5. Step 5: Solve for x
    x = 37,305,088.57/9,002.21
  6. Step 6: Final answer
    x = 4,143.99

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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.