Home / 6,709.31-10,064.45-1,778.84

Finding the Fourth Proportional to 6,709.31, 10,064.45 and 1,778.84

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Solution

The fourth proportional to 6,709.31, 10,064.45 and 1,778.84 is: 2,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709.31 : 10,064.45 = 1,778.84 : x
  2. Step 2: Convert to fraction form
    6,709.31/10,064.45 = 1,778.84/x
  3. Step 3: Cross multiply
    6,709.31x = 10,064.45 × 1,778.84
  4. Step 4: Simplify right side
    6,709.31x = 17,903,009.80
  5. Step 5: Solve for x
    x = 17,903,009.80/6,709.31
  6. Step 6: Final answer
    x = 2,668.38

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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.