Home / 8,828.42-12,172.16-6,466.46

Finding the Fourth Proportional to 8,828.42, 12,172.16 and 6,466.46

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Solution

The fourth proportional to 8,828.42, 12,172.16 and 6,466.46 is: 8,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.42 : 12,172.16 = 6,466.46 : x
  2. Step 2: Convert to fraction form
    8,828.42/12,172.16 = 6,466.46/x
  3. Step 3: Cross multiply
    8,828.42x = 12,172.16 × 6,466.46
  4. Step 4: Simplify right side
    8,828.42x = 78,710,753.42
  5. Step 5: Solve for x
    x = 78,710,753.42/8,828.42
  6. Step 6: Final answer
    x = 8,915.61

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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.