Home / 4,272.78-6,408.63-3,547.02

Finding the Fourth Proportional to 4,272.78, 6,408.63 and 3,547.02

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Solution

The fourth proportional to 4,272.78, 6,408.63 and 3,547.02 is: 5,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.78 : 6,408.63 = 3,547.02 : x
  2. Step 2: Convert to fraction form
    4,272.78/6,408.63 = 3,547.02/x
  3. Step 3: Cross multiply
    4,272.78x = 6,408.63 × 3,547.02
  4. Step 4: Simplify right side
    4,272.78x = 22,731,538.78
  5. Step 5: Solve for x
    x = 22,731,538.78/4,272.78
  6. Step 6: Final answer
    x = 5,320.08

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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.