Home / 9,705.08-14,557.58-2,779.58

Finding the Fourth Proportional to 9,705.08, 14,557.58 and 2,779.58

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Solution

The fourth proportional to 9,705.08, 14,557.58 and 2,779.58 is: 4,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.08 : 14,557.58 = 2,779.58 : x
  2. Step 2: Convert to fraction form
    9,705.08/14,557.58 = 2,779.58/x
  3. Step 3: Cross multiply
    9,705.08x = 14,557.58 × 2,779.58
  4. Step 4: Simplify right side
    9,705.08x = 40,463,958.22
  5. Step 5: Solve for x
    x = 40,463,958.22/9,705.08
  6. Step 6: Final answer
    x = 4,169.36

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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.