Home / 7,218.04-10,820.58-2,838.64

Finding the Fourth Proportional to 7,218.04, 10,820.58 and 2,838.64

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Solution

The fourth proportional to 7,218.04, 10,820.58 and 2,838.64 is: 4,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.04 : 10,820.58 = 2,838.64 : x
  2. Step 2: Convert to fraction form
    7,218.04/10,820.58 = 2,838.64/x
  3. Step 3: Cross multiply
    7,218.04x = 10,820.58 × 2,838.64
  4. Step 4: Simplify right side
    7,218.04x = 30,715,731.21
  5. Step 5: Solve for x
    x = 30,715,731.21/7,218.04
  6. Step 6: Final answer
    x = 4,255.41

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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.