Home / 7,705.16-11,555.02-2,773.48

Finding the Fourth Proportional to 7,705.16, 11,555.02 and 2,773.48

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Solution

The fourth proportional to 7,705.16, 11,555.02 and 2,773.48 is: 4,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.16 : 11,555.02 = 2,773.48 : x
  2. Step 2: Convert to fraction form
    7,705.16/11,555.02 = 2,773.48/x
  3. Step 3: Cross multiply
    7,705.16x = 11,555.02 × 2,773.48
  4. Step 4: Simplify right side
    7,705.16x = 32,047,616.87
  5. Step 5: Solve for x
    x = 32,047,616.87/7,705.16
  6. Step 6: Final answer
    x = 4,159.24

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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.