Home / 9,677.81-13,355.38-5,486.06

Finding the Fourth Proportional to 9,677.81, 13,355.38 and 5,486.06

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Solution

The fourth proportional to 9,677.81, 13,355.38 and 5,486.06 is: 7,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.81 : 13,355.38 = 5,486.06 : x
  2. Step 2: Convert to fraction form
    9,677.81/13,355.38 = 5,486.06/x
  3. Step 3: Cross multiply
    9,677.81x = 13,355.38 × 5,486.06
  4. Step 4: Simplify right side
    9,677.81x = 73,268,456.25
  5. Step 5: Solve for x
    x = 73,268,456.25/9,677.81
  6. Step 6: Final answer
    x = 7,570.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.