Home / 4,828.57-6,661.48-2,938.64

Finding the Fourth Proportional to 4,828.57, 6,661.48 and 2,938.64

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Solution

The fourth proportional to 4,828.57, 6,661.48 and 2,938.64 is: 4,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.57 : 6,661.48 = 2,938.64 : x
  2. Step 2: Convert to fraction form
    4,828.57/6,661.48 = 2,938.64/x
  3. Step 3: Cross multiply
    4,828.57x = 6,661.48 × 2,938.64
  4. Step 4: Simplify right side
    4,828.57x = 19,575,691.59
  5. Step 5: Solve for x
    x = 19,575,691.59/4,828.57
  6. Step 6: Final answer
    x = 4,054.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.