Home / 8,847.78-12,210.44-5,071.57

Finding the Fourth Proportional to 8,847.78, 12,210.44 and 5,071.57

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Solution

The fourth proportional to 8,847.78, 12,210.44 and 5,071.57 is: 6,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.78 : 12,210.44 = 5,071.57 : x
  2. Step 2: Convert to fraction form
    8,847.78/12,210.44 = 5,071.57/x
  3. Step 3: Cross multiply
    8,847.78x = 12,210.44 × 5,071.57
  4. Step 4: Simplify right side
    8,847.78x = 61,926,103.77
  5. Step 5: Solve for x
    x = 61,926,103.77/8,847.78
  6. Step 6: Final answer
    x = 6,999.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.