Home / 7,182.92-10,779.16-3,485.42

Finding the Fourth Proportional to 7,182.92, 10,779.16 and 3,485.42

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Solution

The fourth proportional to 7,182.92, 10,779.16 and 3,485.42 is: 5,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.92 : 10,779.16 = 3,485.42 : x
  2. Step 2: Convert to fraction form
    7,182.92/10,779.16 = 3,485.42/x
  3. Step 3: Cross multiply
    7,182.92x = 10,779.16 × 3,485.42
  4. Step 4: Simplify right side
    7,182.92x = 37,569,899.85
  5. Step 5: Solve for x
    x = 37,569,899.85/7,182.92
  6. Step 6: Final answer
    x = 5,230.45

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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.