Home / 8,503.84-11,730.96-5,521.36

Finding the Fourth Proportional to 8,503.84, 11,730.96 and 5,521.36

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Solution

The fourth proportional to 8,503.84, 11,730.96 and 5,521.36 is: 7,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.84 : 11,730.96 = 5,521.36 : x
  2. Step 2: Convert to fraction form
    8,503.84/11,730.96 = 5,521.36/x
  3. Step 3: Cross multiply
    8,503.84x = 11,730.96 × 5,521.36
  4. Step 4: Simplify right side
    8,503.84x = 64,770,853.31
  5. Step 5: Solve for x
    x = 64,770,853.31/8,503.84
  6. Step 6: Final answer
    x = 7,616.66

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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.