Home / 8,847.77-12,211.02-5,071.55

Finding the Fourth Proportional to 8,847.77, 12,211.02 and 5,071.55

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Solution

The fourth proportional to 8,847.77, 12,211.02 and 5,071.55 is: 6,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.77 : 12,211.02 = 5,071.55 : x
  2. Step 2: Convert to fraction form
    8,847.77/12,211.02 = 5,071.55/x
  3. Step 3: Cross multiply
    8,847.77x = 12,211.02 × 5,071.55
  4. Step 4: Simplify right side
    8,847.77x = 61,928,737.43
  5. Step 5: Solve for x
    x = 61,928,737.43/8,847.77
  6. Step 6: Final answer
    x = 6,999.37

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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.