Home / 9,114.60-13,675.10-3,271.40

Finding the Fourth Proportional to 9,114.60, 13,675.10 and 3,271.40

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Solution

The fourth proportional to 9,114.60, 13,675.10 and 3,271.40 is: 4,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.60 : 13,675.10 = 3,271.40 : x
  2. Step 2: Convert to fraction form
    9,114.60/13,675.10 = 3,271.40/x
  3. Step 3: Cross multiply
    9,114.60x = 13,675.10 × 3,271.40
  4. Step 4: Simplify right side
    9,114.60x = 44,736,722.14
  5. Step 5: Solve for x
    x = 44,736,722.14/9,114.60
  6. Step 6: Final answer
    x = 4,908.25

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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.