Home / 8,348.03-12,518.08-3,081.32

Finding the Fourth Proportional to 8,348.03, 12,518.08 and 3,081.32

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Solution

The fourth proportional to 8,348.03, 12,518.08 and 3,081.32 is: 4,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.03 : 12,518.08 = 3,081.32 : x
  2. Step 2: Convert to fraction form
    8,348.03/12,518.08 = 3,081.32/x
  3. Step 3: Cross multiply
    8,348.03x = 12,518.08 × 3,081.32
  4. Step 4: Simplify right side
    8,348.03x = 38,572,210.27
  5. Step 5: Solve for x
    x = 38,572,210.27/8,348.03
  6. Step 6: Final answer
    x = 4,620.52

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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.