Home / 8,427.19-12,647.67-5,964.40

Finding the Fourth Proportional to 8,427.19, 12,647.67 and 5,964.40

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Solution

The fourth proportional to 8,427.19, 12,647.67 and 5,964.40 is: 8,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.19 : 12,647.67 = 5,964.40 : x
  2. Step 2: Convert to fraction form
    8,427.19/12,647.67 = 5,964.40/x
  3. Step 3: Cross multiply
    8,427.19x = 12,647.67 × 5,964.40
  4. Step 4: Simplify right side
    8,427.19x = 75,435,762.95
  5. Step 5: Solve for x
    x = 75,435,762.95/8,427.19
  6. Step 6: Final answer
    x = 8,951.47

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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.