Home / 8,271.90-12,393.45-5,348.70

Finding the Fourth Proportional to 8,271.90, 12,393.45 and 5,348.70

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Solution

The fourth proportional to 8,271.90, 12,393.45 and 5,348.70 is: 8,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.90 : 12,393.45 = 5,348.70 : x
  2. Step 2: Convert to fraction form
    8,271.90/12,393.45 = 5,348.70/x
  3. Step 3: Cross multiply
    8,271.90x = 12,393.45 × 5,348.70
  4. Step 4: Simplify right side
    8,271.90x = 66,288,846.02
  5. Step 5: Solve for x
    x = 66,288,846.02/8,271.90
  6. Step 6: Final answer
    x = 8,013.74

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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.