Home / 7,328.34-10,113.36-4,141.60

Finding the Fourth Proportional to 7,328.34, 10,113.36 and 4,141.60

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Solution

The fourth proportional to 7,328.34, 10,113.36 and 4,141.60 is: 5,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.34 : 10,113.36 = 4,141.60 : x
  2. Step 2: Convert to fraction form
    7,328.34/10,113.36 = 4,141.60/x
  3. Step 3: Cross multiply
    7,328.34x = 10,113.36 × 4,141.60
  4. Step 4: Simplify right side
    7,328.34x = 41,885,450.96
  5. Step 5: Solve for x
    x = 41,885,450.96/7,328.34
  6. Step 6: Final answer
    x = 5,715.54

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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.