Home / 6,362.20-8,779.86-3,529.84

Finding the Fourth Proportional to 6,362.20, 8,779.86 and 3,529.84

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Solution

The fourth proportional to 6,362.20, 8,779.86 and 3,529.84 is: 4,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.20 : 8,779.86 = 3,529.84 : x
  2. Step 2: Convert to fraction form
    6,362.20/8,779.86 = 3,529.84/x
  3. Step 3: Cross multiply
    6,362.20x = 8,779.86 × 3,529.84
  4. Step 4: Simplify right side
    6,362.20x = 30,991,501.02
  5. Step 5: Solve for x
    x = 30,991,501.02/6,362.20
  6. Step 6: Final answer
    x = 4,871.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.