Home / 7,085.64-10,603.26-4,311.24

Finding the Fourth Proportional to 7,085.64, 10,603.26 and 4,311.24

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Solution

The fourth proportional to 7,085.64, 10,603.26 and 4,311.24 is: 6,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.64 : 10,603.26 = 4,311.24 : x
  2. Step 2: Convert to fraction form
    7,085.64/10,603.26 = 4,311.24/x
  3. Step 3: Cross multiply
    7,085.64x = 10,603.26 × 4,311.24
  4. Step 4: Simplify right side
    7,085.64x = 45,713,198.64
  5. Step 5: Solve for x
    x = 45,713,198.64/7,085.64
  6. Step 6: Final answer
    x = 6,451.53

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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.