Home / 6,271.90-8,655.36-3,619.46

Finding the Fourth Proportional to 6,271.90, 8,655.36 and 3,619.46

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Solution

The fourth proportional to 6,271.90, 8,655.36 and 3,619.46 is: 4,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.90 : 8,655.36 = 3,619.46 : x
  2. Step 2: Convert to fraction form
    6,271.90/8,655.36 = 3,619.46/x
  3. Step 3: Cross multiply
    6,271.90x = 8,655.36 × 3,619.46
  4. Step 4: Simplify right side
    6,271.90x = 31,327,729.31
  5. Step 5: Solve for x
    x = 31,327,729.31/6,271.90
  6. Step 6: Final answer
    x = 4,994.93

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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.