Home / 5,192.34-7,783.64-2,878.98

Finding the Fourth Proportional to 5,192.34, 7,783.64 and 2,878.98

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Solution

The fourth proportional to 5,192.34, 7,783.64 and 2,878.98 is: 4,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.34 : 7,783.64 = 2,878.98 : x
  2. Step 2: Convert to fraction form
    5,192.34/7,783.64 = 2,878.98/x
  3. Step 3: Cross multiply
    5,192.34x = 7,783.64 × 2,878.98
  4. Step 4: Simplify right side
    5,192.34x = 22,408,927.29
  5. Step 5: Solve for x
    x = 22,408,927.29/5,192.34
  6. Step 6: Final answer
    x = 4,315.77

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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.