Home / 7,778.53-11,665.70-2,848.19

Finding the Fourth Proportional to 7,778.53, 11,665.70 and 2,848.19

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Solution

The fourth proportional to 7,778.53, 11,665.70 and 2,848.19 is: 4,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.53 : 11,665.70 = 2,848.19 : x
  2. Step 2: Convert to fraction form
    7,778.53/11,665.70 = 2,848.19/x
  3. Step 3: Cross multiply
    7,778.53x = 11,665.70 × 2,848.19
  4. Step 4: Simplify right side
    7,778.53x = 33,226,115.84
  5. Step 5: Solve for x
    x = 33,226,115.84/7,778.53
  6. Step 6: Final answer
    x = 4,271.52

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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.