Home / 7,405.44-11,085.36-6,355.68

Finding the Fourth Proportional to 7,405.44, 11,085.36 and 6,355.68

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Solution

The fourth proportional to 7,405.44, 11,085.36 and 6,355.68 is: 9,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.44 : 11,085.36 = 6,355.68 : x
  2. Step 2: Convert to fraction form
    7,405.44/11,085.36 = 6,355.68/x
  3. Step 3: Cross multiply
    7,405.44x = 11,085.36 × 6,355.68
  4. Step 4: Simplify right side
    7,405.44x = 70,455,000.84
  5. Step 5: Solve for x
    x = 70,455,000.84/7,405.44
  6. Step 6: Final answer
    x = 9,513.95

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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.