Home / 7,166.23-10,751.48-3,420.82

Finding the Fourth Proportional to 7,166.23, 10,751.48 and 3,420.82

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Solution

The fourth proportional to 7,166.23, 10,751.48 and 3,420.82 is: 5,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.23 : 10,751.48 = 3,420.82 : x
  2. Step 2: Convert to fraction form
    7,166.23/10,751.48 = 3,420.82/x
  3. Step 3: Cross multiply
    7,166.23x = 10,751.48 × 3,420.82
  4. Step 4: Simplify right side
    7,166.23x = 36,778,877.81
  5. Step 5: Solve for x
    x = 36,778,877.81/7,166.23
  6. Step 6: Final answer
    x = 5,132.25

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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.