Home / 5,076.80-7,605.84-4,260.32

Finding the Fourth Proportional to 5,076.80, 7,605.84 and 4,260.32

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Solution

The fourth proportional to 5,076.80, 7,605.84 and 4,260.32 is: 6,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.80 : 7,605.84 = 4,260.32 : x
  2. Step 2: Convert to fraction form
    5,076.80/7,605.84 = 4,260.32/x
  3. Step 3: Cross multiply
    5,076.80x = 7,605.84 × 4,260.32
  4. Step 4: Simplify right side
    5,076.80x = 32,403,312.27
  5. Step 5: Solve for x
    x = 32,403,312.27/5,076.80
  6. Step 6: Final answer
    x = 6,382.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.