Home / 7,493.78-10,341.36-4,136.60

Finding the Fourth Proportional to 7,493.78, 10,341.36 and 4,136.60

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Solution

The fourth proportional to 7,493.78, 10,341.36 and 4,136.60 is: 5,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.78 : 10,341.36 = 4,136.60 : x
  2. Step 2: Convert to fraction form
    7,493.78/10,341.36 = 4,136.60/x
  3. Step 3: Cross multiply
    7,493.78x = 10,341.36 × 4,136.60
  4. Step 4: Simplify right side
    7,493.78x = 42,778,063.64
  5. Step 5: Solve for x
    x = 42,778,063.64/7,493.78
  6. Step 6: Final answer
    x = 5,708.47

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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.