Home / 7,779.03-11,666.45-2,848.69

Finding the Fourth Proportional to 7,779.03, 11,666.45 and 2,848.69

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Solution

The fourth proportional to 7,779.03, 11,666.45 and 2,848.69 is: 4,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.03 : 11,666.45 = 2,848.69 : x
  2. Step 2: Convert to fraction form
    7,779.03/11,666.45 = 2,848.69/x
  3. Step 3: Cross multiply
    7,779.03x = 11,666.45 × 2,848.69
  4. Step 4: Simplify right side
    7,779.03x = 33,234,085.21
  5. Step 5: Solve for x
    x = 33,234,085.21/7,779.03
  6. Step 6: Final answer
    x = 4,272.27

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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.