Home / 7,186.02-10,779.81-3,291.54

Finding the Fourth Proportional to 7,186.02, 10,779.81 and 3,291.54

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Solution

The fourth proportional to 7,186.02, 10,779.81 and 3,291.54 is: 4,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.02 : 10,779.81 = 3,291.54 : x
  2. Step 2: Convert to fraction form
    7,186.02/10,779.81 = 3,291.54/x
  3. Step 3: Cross multiply
    7,186.02x = 10,779.81 × 3,291.54
  4. Step 4: Simplify right side
    7,186.02x = 35,482,175.81
  5. Step 5: Solve for x
    x = 35,482,175.81/7,186.02
  6. Step 6: Final answer
    x = 4,937.67

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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.