Home / 7,547.19-10,415.73-4,190.32

Finding the Fourth Proportional to 7,547.19, 10,415.73 and 4,190.32

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Solution

The fourth proportional to 7,547.19, 10,415.73 and 4,190.32 is: 5,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.19 : 10,415.73 = 4,190.32 : x
  2. Step 2: Convert to fraction form
    7,547.19/10,415.73 = 4,190.32/x
  3. Step 3: Cross multiply
    7,547.19x = 10,415.73 × 4,190.32
  4. Step 4: Simplify right side
    7,547.19x = 43,645,241.73
  5. Step 5: Solve for x
    x = 43,645,241.73/7,547.19
  6. Step 6: Final answer
    x = 5,782.98

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