Home / 4,288.47-5,918.04-2,520.24

Finding the Fourth Proportional to 4,288.47, 5,918.04 and 2,520.24

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Solution

The fourth proportional to 4,288.47, 5,918.04 and 2,520.24 is: 3,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.47 : 5,918.04 = 2,520.24 : x
  2. Step 2: Convert to fraction form
    4,288.47/5,918.04 = 2,520.24/x
  3. Step 3: Cross multiply
    4,288.47x = 5,918.04 × 2,520.24
  4. Step 4: Simplify right side
    4,288.47x = 14,914,881.13
  5. Step 5: Solve for x
    x = 14,914,881.13/4,288.47
  6. Step 6: Final answer
    x = 3,477.90

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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.