Home / 6,415.68-9,626.71-3,602.77

Finding the Fourth Proportional to 6,415.68, 9,626.71 and 3,602.77

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Solution

The fourth proportional to 6,415.68, 9,626.71 and 3,602.77 is: 5,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.68 : 9,626.71 = 3,602.77 : x
  2. Step 2: Convert to fraction form
    6,415.68/9,626.71 = 3,602.77/x
  3. Step 3: Cross multiply
    6,415.68x = 9,626.71 × 3,602.77
  4. Step 4: Simplify right side
    6,415.68x = 34,682,795.67
  5. Step 5: Solve for x
    x = 34,682,795.67/6,415.68
  6. Step 6: Final answer
    x = 5,405.94

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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.