Home / 7,346.09-10,136.58-4,321.35

Finding the Fourth Proportional to 7,346.09, 10,136.58 and 4,321.35

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Solution

The fourth proportional to 7,346.09, 10,136.58 and 4,321.35 is: 5,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.09 : 10,136.58 = 4,321.35 : x
  2. Step 2: Convert to fraction form
    7,346.09/10,136.58 = 4,321.35/x
  3. Step 3: Cross multiply
    7,346.09x = 10,136.58 × 4,321.35
  4. Step 4: Simplify right side
    7,346.09x = 43,803,709.98
  5. Step 5: Solve for x
    x = 43,803,709.98/7,346.09
  6. Step 6: Final answer
    x = 5,962.86

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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.