Home / 8,890.16-12,274.44-6,869.84

Finding the Fourth Proportional to 8,890.16, 12,274.44 and 6,869.84

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Solution

The fourth proportional to 8,890.16, 12,274.44 and 6,869.84 is: 9,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.16 : 12,274.44 = 6,869.84 : x
  2. Step 2: Convert to fraction form
    8,890.16/12,274.44 = 6,869.84/x
  3. Step 3: Cross multiply
    8,890.16x = 12,274.44 × 6,869.84
  4. Step 4: Simplify right side
    8,890.16x = 84,323,438.89
  5. Step 5: Solve for x
    x = 84,323,438.89/8,890.16
  6. Step 6: Final answer
    x = 9,485.03

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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.