Home / 7,739.61-10,681.79-4,383.78

Finding the Fourth Proportional to 7,739.61, 10,681.79 and 4,383.78

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Solution

The fourth proportional to 7,739.61, 10,681.79 and 4,383.78 is: 6,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.61 : 10,681.79 = 4,383.78 : x
  2. Step 2: Convert to fraction form
    7,739.61/10,681.79 = 4,383.78/x
  3. Step 3: Cross multiply
    7,739.61x = 10,681.79 × 4,383.78
  4. Step 4: Simplify right side
    7,739.61x = 46,826,595.45
  5. Step 5: Solve for x
    x = 46,826,595.45/7,739.61
  6. Step 6: Final answer
    x = 6,050.25

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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.