Home / 7,182.48-10,758.60-3,886.32

Finding the Fourth Proportional to 7,182.48, 10,758.60 and 3,886.32

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Solution

The fourth proportional to 7,182.48, 10,758.60 and 3,886.32 is: 5,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.48 : 10,758.60 = 3,886.32 : x
  2. Step 2: Convert to fraction form
    7,182.48/10,758.60 = 3,886.32/x
  3. Step 3: Cross multiply
    7,182.48x = 10,758.60 × 3,886.32
  4. Step 4: Simplify right side
    7,182.48x = 41,811,362.35
  5. Step 5: Solve for x
    x = 41,811,362.35/7,182.48
  6. Step 6: Final answer
    x = 5,821.30

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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.