Home / 7,728.02-10,666.26-4,370.97

Finding the Fourth Proportional to 7,728.02, 10,666.26 and 4,370.97

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Solution

The fourth proportional to 7,728.02, 10,666.26 and 4,370.97 is: 6,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.02 : 10,666.26 = 4,370.97 : x
  2. Step 2: Convert to fraction form
    7,728.02/10,666.26 = 4,370.97/x
  3. Step 3: Cross multiply
    7,728.02x = 10,666.26 × 4,370.97
  4. Step 4: Simplify right side
    7,728.02x = 46,621,902.47
  5. Step 5: Solve for x
    x = 46,621,902.47/7,728.02
  6. Step 6: Final answer
    x = 6,032.84

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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.