Home / 8,411.84-11,611.92-5,267.36

Finding the Fourth Proportional to 8,411.84, 11,611.92 and 5,267.36

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Solution

The fourth proportional to 8,411.84, 11,611.92 and 5,267.36 is: 7,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.84 : 11,611.92 = 5,267.36 : x
  2. Step 2: Convert to fraction form
    8,411.84/11,611.92 = 5,267.36/x
  3. Step 3: Cross multiply
    8,411.84x = 11,611.92 × 5,267.36
  4. Step 4: Simplify right side
    8,411.84x = 61,164,162.93
  5. Step 5: Solve for x
    x = 61,164,162.93/8,411.84
  6. Step 6: Final answer
    x = 7,271.20

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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.