Home / 8,458.02-12,675.69-4,758.75

Finding the Fourth Proportional to 8,458.02, 12,675.69 and 4,758.75

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Solution

The fourth proportional to 8,458.02, 12,675.69 and 4,758.75 is: 7,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.02 : 12,675.69 = 4,758.75 : x
  2. Step 2: Convert to fraction form
    8,458.02/12,675.69 = 4,758.75/x
  3. Step 3: Cross multiply
    8,458.02x = 12,675.69 × 4,758.75
  4. Step 4: Simplify right side
    8,458.02x = 60,320,439.79
  5. Step 5: Solve for x
    x = 60,320,439.79/8,458.02
  6. Step 6: Final answer
    x = 7,131.74

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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.