Home / 8,809.44-12,152.40-5,271.60

Finding the Fourth Proportional to 8,809.44, 12,152.40 and 5,271.60

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Solution

The fourth proportional to 8,809.44, 12,152.40 and 5,271.60 is: 7,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.44 : 12,152.40 = 5,271.60 : x
  2. Step 2: Convert to fraction form
    8,809.44/12,152.40 = 5,271.60/x
  3. Step 3: Cross multiply
    8,809.44x = 12,152.40 × 5,271.60
  4. Step 4: Simplify right side
    8,809.44x = 64,062,591.84
  5. Step 5: Solve for x
    x = 64,062,591.84/8,809.44
  6. Step 6: Final answer
    x = 7,272.04

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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.