Home / 9,284.48-13,928-3,130.24

Finding the Fourth Proportional to 9,284.48, 13,928 and 3,130.24

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Solution

The fourth proportional to 9,284.48, 13,928 and 3,130.24 is: 4,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.48 : 13,928 = 3,130.24 : x
  2. Step 2: Convert to fraction form
    9,284.48/13,928 = 3,130.24/x
  3. Step 3: Cross multiply
    9,284.48x = 13,928 × 3,130.24
  4. Step 4: Simplify right side
    9,284.48x = 43,597,982.72
  5. Step 5: Solve for x
    x = 43,597,982.72/9,284.48
  6. Step 6: Final answer
    x = 4,695.79

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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.