Home / 4,387.04-6,054.80-2,816.80

Finding the Fourth Proportional to 4,387.04, 6,054.80 and 2,816.80

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Solution

The fourth proportional to 4,387.04, 6,054.80 and 2,816.80 is: 3,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.04 : 6,054.80 = 2,816.80 : x
  2. Step 2: Convert to fraction form
    4,387.04/6,054.80 = 2,816.80/x
  3. Step 3: Cross multiply
    4,387.04x = 6,054.80 × 2,816.80
  4. Step 4: Simplify right side
    4,387.04x = 17,055,160.64
  5. Step 5: Solve for x
    x = 17,055,160.64/4,387.04
  6. Step 6: Final answer
    x = 3,887.62

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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.