Home / 4,745.32-6,547.62-2,857.96

Finding the Fourth Proportional to 4,745.32, 6,547.62 and 2,857.96

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Solution

The fourth proportional to 4,745.32, 6,547.62 and 2,857.96 is: 3,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.32 : 6,547.62 = 2,857.96 : x
  2. Step 2: Convert to fraction form
    4,745.32/6,547.62 = 2,857.96/x
  3. Step 3: Cross multiply
    4,745.32x = 6,547.62 × 2,857.96
  4. Step 4: Simplify right side
    4,745.32x = 18,712,836.06
  5. Step 5: Solve for x
    x = 18,712,836.06/4,745.32
  6. Step 6: Final answer
    x = 3,943.43

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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.