Home / 7,136.56-10,703.64-1,941.28

Finding the Fourth Proportional to 7,136.56, 10,703.64 and 1,941.28

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Solution

The fourth proportional to 7,136.56, 10,703.64 and 1,941.28 is: 2,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.56 : 10,703.64 = 1,941.28 : x
  2. Step 2: Convert to fraction form
    7,136.56/10,703.64 = 1,941.28/x
  3. Step 3: Cross multiply
    7,136.56x = 10,703.64 × 1,941.28
  4. Step 4: Simplify right side
    7,136.56x = 20,778,762.26
  5. Step 5: Solve for x
    x = 20,778,762.26/7,136.56
  6. Step 6: Final answer
    x = 2,911.59

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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.