Home / 7,577.09-11,365.67-2,646.74

Finding the Fourth Proportional to 7,577.09, 11,365.67 and 2,646.74

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Solution

The fourth proportional to 7,577.09, 11,365.67 and 2,646.74 is: 3,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.09 : 11,365.67 = 2,646.74 : x
  2. Step 2: Convert to fraction form
    7,577.09/11,365.67 = 2,646.74/x
  3. Step 3: Cross multiply
    7,577.09x = 11,365.67 × 2,646.74
  4. Step 4: Simplify right side
    7,577.09x = 30,081,903.35
  5. Step 5: Solve for x
    x = 30,081,903.35/7,577.09
  6. Step 6: Final answer
    x = 3,970.12

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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.