Home / 5,045.36-6,962.56-2,807.12

Finding the Fourth Proportional to 5,045.36, 6,962.56 and 2,807.12

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Solution

The fourth proportional to 5,045.36, 6,962.56 and 2,807.12 is: 3,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.36 : 6,962.56 = 2,807.12 : x
  2. Step 2: Convert to fraction form
    5,045.36/6,962.56 = 2,807.12/x
  3. Step 3: Cross multiply
    5,045.36x = 6,962.56 × 2,807.12
  4. Step 4: Simplify right side
    5,045.36x = 19,544,741.43
  5. Step 5: Solve for x
    x = 19,544,741.43/5,045.36
  6. Step 6: Final answer
    x = 3,873.81

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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.