Home / 6,819.58-10,220.04-5,152.34

Finding the Fourth Proportional to 6,819.58, 10,220.04 and 5,152.34

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Solution

The fourth proportional to 6,819.58, 10,220.04 and 5,152.34 is: 7,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.58 : 10,220.04 = 5,152.34 : x
  2. Step 2: Convert to fraction form
    6,819.58/10,220.04 = 5,152.34/x
  3. Step 3: Cross multiply
    6,819.58x = 10,220.04 × 5,152.34
  4. Step 4: Simplify right side
    6,819.58x = 52,657,098.62
  5. Step 5: Solve for x
    x = 52,657,098.62/6,819.58
  6. Step 6: Final answer
    x = 7,721.45

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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.