Home / 8,271.44-12,403.80-5,368.40

Finding the Fourth Proportional to 8,271.44, 12,403.80 and 5,368.40

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Solution

The fourth proportional to 8,271.44, 12,403.80 and 5,368.40 is: 8,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.44 : 12,403.80 = 5,368.40 : x
  2. Step 2: Convert to fraction form
    8,271.44/12,403.80 = 5,368.40/x
  3. Step 3: Cross multiply
    8,271.44x = 12,403.80 × 5,368.40
  4. Step 4: Simplify right side
    8,271.44x = 66,588,559.92
  5. Step 5: Solve for x
    x = 66,588,559.92/8,271.44
  6. Step 6: Final answer
    x = 8,050.42

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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.