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Finding the Fourth Proportional to 6,558.77, 9,840.62 and 3,928.13

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Solution

The fourth proportional to 6,558.77, 9,840.62 and 3,928.13 is: 5,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.77 : 9,840.62 = 3,928.13 : x
  2. Step 2: Convert to fraction form
    6,558.77/9,840.62 = 3,928.13/x
  3. Step 3: Cross multiply
    6,558.77x = 9,840.62 × 3,928.13
  4. Step 4: Simplify right side
    6,558.77x = 38,655,232.16
  5. Step 5: Solve for x
    x = 38,655,232.16/6,558.77
  6. Step 6: Final answer
    x = 5,893.67

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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.