Home / 5,045.82-6,962.46-2,807.72

Finding the Fourth Proportional to 5,045.82, 6,962.46 and 2,807.72

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Solution

The fourth proportional to 5,045.82, 6,962.46 and 2,807.72 is: 3,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.82 : 6,962.46 = 2,807.72 : x
  2. Step 2: Convert to fraction form
    5,045.82/6,962.46 = 2,807.72/x
  3. Step 3: Cross multiply
    5,045.82x = 6,962.46 × 2,807.72
  4. Step 4: Simplify right side
    5,045.82x = 19,548,638.19
  5. Step 5: Solve for x
    x = 19,548,638.19/5,045.82
  6. Step 6: Final answer
    x = 3,874.22

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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.