Home / 4,289.51-5,918.72-2,520.47

Finding the Fourth Proportional to 4,289.51, 5,918.72 and 2,520.47

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Solution

The fourth proportional to 4,289.51, 5,918.72 and 2,520.47 is: 3,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.51 : 5,918.72 = 2,520.47 : x
  2. Step 2: Convert to fraction form
    4,289.51/5,918.72 = 2,520.47/x
  3. Step 3: Cross multiply
    4,289.51x = 5,918.72 × 2,520.47
  4. Step 4: Simplify right side
    4,289.51x = 14,917,914.00
  5. Step 5: Solve for x
    x = 14,917,914.00/4,289.51
  6. Step 6: Final answer
    x = 3,477.77

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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.