Home / 6,970.53-10,455.66-1,776.42

Finding the Fourth Proportional to 6,970.53, 10,455.66 and 1,776.42

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Solution

The fourth proportional to 6,970.53, 10,455.66 and 1,776.42 is: 2,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.53 : 10,455.66 = 1,776.42 : x
  2. Step 2: Convert to fraction form
    6,970.53/10,455.66 = 1,776.42/x
  3. Step 3: Cross multiply
    6,970.53x = 10,455.66 × 1,776.42
  4. Step 4: Simplify right side
    6,970.53x = 18,573,643.54
  5. Step 5: Solve for x
    x = 18,573,643.54/6,970.53
  6. Step 6: Final answer
    x = 2,664.60

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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.