Home / 7,813.98-10,783.29-4,277.18

Finding the Fourth Proportional to 7,813.98, 10,783.29 and 4,277.18

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Solution

The fourth proportional to 7,813.98, 10,783.29 and 4,277.18 is: 5,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.98 : 10,783.29 = 4,277.18 : x
  2. Step 2: Convert to fraction form
    7,813.98/10,783.29 = 4,277.18/x
  3. Step 3: Cross multiply
    7,813.98x = 10,783.29 × 4,277.18
  4. Step 4: Simplify right side
    7,813.98x = 46,122,115.32
  5. Step 5: Solve for x
    x = 46,122,115.32/7,813.98
  6. Step 6: Final answer
    x = 5,902.51

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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.