Home / 6,967.36-10,455.10-2,807.74

Finding the Fourth Proportional to 6,967.36, 10,455.10 and 2,807.74

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Solution

The fourth proportional to 6,967.36, 10,455.10 and 2,807.74 is: 4,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.36 : 10,455.10 = 2,807.74 : x
  2. Step 2: Convert to fraction form
    6,967.36/10,455.10 = 2,807.74/x
  3. Step 3: Cross multiply
    6,967.36x = 10,455.10 × 2,807.74
  4. Step 4: Simplify right side
    6,967.36x = 29,355,208.52
  5. Step 5: Solve for x
    x = 29,355,208.52/6,967.36
  6. Step 6: Final answer
    x = 4,213.25

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1.5x scale

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.