Home / 8,519.19-12,775.13-2,970.89

Finding the Fourth Proportional to 8,519.19, 12,775.13 and 2,970.89

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Solution

The fourth proportional to 8,519.19, 12,775.13 and 2,970.89 is: 4,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.19 : 12,775.13 = 2,970.89 : x
  2. Step 2: Convert to fraction form
    8,519.19/12,775.13 = 2,970.89/x
  3. Step 3: Cross multiply
    8,519.19x = 12,775.13 × 2,970.89
  4. Step 4: Simplify right side
    8,519.19x = 37,953,523.05
  5. Step 5: Solve for x
    x = 37,953,523.05/8,519.19
  6. Step 6: Final answer
    x = 4,455.06

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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.