Home / 7,728.77-10,666.24-4,371.59

Finding the Fourth Proportional to 7,728.77, 10,666.24 and 4,371.59

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Solution

The fourth proportional to 7,728.77, 10,666.24 and 4,371.59 is: 6,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.77 : 10,666.24 = 4,371.59 : x
  2. Step 2: Convert to fraction form
    7,728.77/10,666.24 = 4,371.59/x
  3. Step 3: Cross multiply
    7,728.77x = 10,666.24 × 4,371.59
  4. Step 4: Simplify right side
    7,728.77x = 46,628,428.12
  5. Step 5: Solve for x
    x = 46,628,428.12/7,728.77
  6. Step 6: Final answer
    x = 6,033.10

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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.