Home / 8,758.36-13,134.66-2,913.40

Finding the Fourth Proportional to 8,758.36, 13,134.66 and 2,913.40

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Solution

The fourth proportional to 8,758.36, 13,134.66 and 2,913.40 is: 4,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.36 : 13,134.66 = 2,913.40 : x
  2. Step 2: Convert to fraction form
    8,758.36/13,134.66 = 2,913.40/x
  3. Step 3: Cross multiply
    8,758.36x = 13,134.66 × 2,913.40
  4. Step 4: Simplify right side
    8,758.36x = 38,266,518.44
  5. Step 5: Solve for x
    x = 38,266,518.44/8,758.36
  6. Step 6: Final answer
    x = 4,369.14

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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.