Home / 5,271.42-7,907.04-1,808.58

Finding the Fourth Proportional to 5,271.42, 7,907.04 and 1,808.58

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Solution

The fourth proportional to 5,271.42, 7,907.04 and 1,808.58 is: 2,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.42 : 7,907.04 = 1,808.58 : x
  2. Step 2: Convert to fraction form
    5,271.42/7,907.04 = 1,808.58/x
  3. Step 3: Cross multiply
    5,271.42x = 7,907.04 × 1,808.58
  4. Step 4: Simplify right side
    5,271.42x = 14,300,514.40
  5. Step 5: Solve for x
    x = 14,300,514.40/5,271.42
  6. Step 6: Final answer
    x = 2,712.84

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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.