Home / 5,160.04-7,727.76-2,816.53

Finding the Fourth Proportional to 5,160.04, 7,727.76 and 2,816.53

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Solution

The fourth proportional to 5,160.04, 7,727.76 and 2,816.53 is: 4,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.04 : 7,727.76 = 2,816.53 : x
  2. Step 2: Convert to fraction form
    5,160.04/7,727.76 = 2,816.53/x
  3. Step 3: Cross multiply
    5,160.04x = 7,727.76 × 2,816.53
  4. Step 4: Simplify right side
    5,160.04x = 21,765,467.87
  5. Step 5: Solve for x
    x = 21,765,467.87/5,160.04
  6. Step 6: Final answer
    x = 4,218.08

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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.