Home / 5,218.04-7,200.86-2,860.13

Finding the Fourth Proportional to 5,218.04, 7,200.86 and 2,860.13

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Solution

The fourth proportional to 5,218.04, 7,200.86 and 2,860.13 is: 3,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.04 : 7,200.86 = 2,860.13 : x
  2. Step 2: Convert to fraction form
    5,218.04/7,200.86 = 2,860.13/x
  3. Step 3: Cross multiply
    5,218.04x = 7,200.86 × 2,860.13
  4. Step 4: Simplify right side
    5,218.04x = 20,595,395.71
  5. Step 5: Solve for x
    x = 20,595,395.71/5,218.04
  6. Step 6: Final answer
    x = 3,946.96

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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.