Home / 7,485.03-10,328.99-4,342.23

Finding the Fourth Proportional to 7,485.03, 10,328.99 and 4,342.23

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Solution

The fourth proportional to 7,485.03, 10,328.99 and 4,342.23 is: 5,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.03 : 10,328.99 = 4,342.23 : x
  2. Step 2: Convert to fraction form
    7,485.03/10,328.99 = 4,342.23/x
  3. Step 3: Cross multiply
    7,485.03x = 10,328.99 × 4,342.23
  4. Step 4: Simplify right side
    7,485.03x = 44,850,828.54
  5. Step 5: Solve for x
    x = 44,850,828.54/7,485.03
  6. Step 6: Final answer
    x = 5,992.07

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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.