Home / 8,607.45-11,880.83-5,071.80

Finding the Fourth Proportional to 8,607.45, 11,880.83 and 5,071.80

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Solution

The fourth proportional to 8,607.45, 11,880.83 and 5,071.80 is: 7,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.45 : 11,880.83 = 5,071.80 : x
  2. Step 2: Convert to fraction form
    8,607.45/11,880.83 = 5,071.80/x
  3. Step 3: Cross multiply
    8,607.45x = 11,880.83 × 5,071.80
  4. Step 4: Simplify right side
    8,607.45x = 60,257,168.24
  5. Step 5: Solve for x
    x = 60,257,168.24/8,607.45
  6. Step 6: Final answer
    x = 7,000.58

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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.