Home / 7,011.72-10,515.96-3,114

Finding the Fourth Proportional to 7,011.72, 10,515.96 and 3,114

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Solution

The fourth proportional to 7,011.72, 10,515.96 and 3,114 is: 4,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.72 : 10,515.96 = 3,114 : x
  2. Step 2: Convert to fraction form
    7,011.72/10,515.96 = 3,114/x
  3. Step 3: Cross multiply
    7,011.72x = 10,515.96 × 3,114
  4. Step 4: Simplify right side
    7,011.72x = 32,746,699.44
  5. Step 5: Solve for x
    x = 32,746,699.44/7,011.72
  6. Step 6: Final answer
    x = 4,670.28

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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.