Home / 7,166.86-10,739.35-5,603.15

Finding the Fourth Proportional to 7,166.86, 10,739.35 and 5,603.15

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Solution

The fourth proportional to 7,166.86, 10,739.35 and 5,603.15 is: 8,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.86 : 10,739.35 = 5,603.15 : x
  2. Step 2: Convert to fraction form
    7,166.86/10,739.35 = 5,603.15/x
  3. Step 3: Cross multiply
    7,166.86x = 10,739.35 × 5,603.15
  4. Step 4: Simplify right side
    7,166.86x = 60,174,188.95
  5. Step 5: Solve for x
    x = 60,174,188.95/7,166.86
  6. Step 6: Final answer
    x = 8,396.17

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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.