Home / 8,460.08-12,690.16-4,589.04

Finding the Fourth Proportional to 8,460.08, 12,690.16 and 4,589.04

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Solution

The fourth proportional to 8,460.08, 12,690.16 and 4,589.04 is: 6,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.08 : 12,690.16 = 4,589.04 : x
  2. Step 2: Convert to fraction form
    8,460.08/12,690.16 = 4,589.04/x
  3. Step 3: Cross multiply
    8,460.08x = 12,690.16 × 4,589.04
  4. Step 4: Simplify right side
    8,460.08x = 58,235,651.85
  5. Step 5: Solve for x
    x = 58,235,651.85/8,460.08
  6. Step 6: Final answer
    x = 6,883.58

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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.