Home / 5,045.40-6,962.28-2,807.22

Finding the Fourth Proportional to 5,045.40, 6,962.28 and 2,807.22

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Solution

The fourth proportional to 5,045.40, 6,962.28 and 2,807.22 is: 3,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.40 : 6,962.28 = 2,807.22 : x
  2. Step 2: Convert to fraction form
    5,045.40/6,962.28 = 2,807.22/x
  3. Step 3: Cross multiply
    5,045.40x = 6,962.28 × 2,807.22
  4. Step 4: Simplify right side
    5,045.40x = 19,544,651.66
  5. Step 5: Solve for x
    x = 19,544,651.66/5,045.40
  6. Step 6: Final answer
    x = 3,873.76

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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.