Home / 8,681.22-12,993.41-4,722.59

Finding the Fourth Proportional to 8,681.22, 12,993.41 and 4,722.59

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Solution

The fourth proportional to 8,681.22, 12,993.41 and 4,722.59 is: 7,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.22 : 12,993.41 = 4,722.59 : x
  2. Step 2: Convert to fraction form
    8,681.22/12,993.41 = 4,722.59/x
  3. Step 3: Cross multiply
    8,681.22x = 12,993.41 × 4,722.59
  4. Step 4: Simplify right side
    8,681.22x = 61,362,592.42
  5. Step 5: Solve for x
    x = 61,362,592.42/8,681.22
  6. Step 6: Final answer
    x = 7,068.43

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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.