Home / 7,077.08-10,586.34-6,435.56

Finding the Fourth Proportional to 7,077.08, 10,586.34 and 6,435.56

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Solution

The fourth proportional to 7,077.08, 10,586.34 and 6,435.56 is: 9,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.08 : 10,586.34 = 6,435.56 : x
  2. Step 2: Convert to fraction form
    7,077.08/10,586.34 = 6,435.56/x
  3. Step 3: Cross multiply
    7,077.08x = 10,586.34 × 6,435.56
  4. Step 4: Simplify right side
    7,077.08x = 68,129,026.25
  5. Step 5: Solve for x
    x = 68,129,026.25/7,077.08
  6. Step 6: Final answer
    x = 9,626.71

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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.