Home / 7,810.24-10,778.39-4,273.45

Finding the Fourth Proportional to 7,810.24, 10,778.39 and 4,273.45

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Solution

The fourth proportional to 7,810.24, 10,778.39 and 4,273.45 is: 5,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.24 : 10,778.39 = 4,273.45 : x
  2. Step 2: Convert to fraction form
    7,810.24/10,778.39 = 4,273.45/x
  3. Step 3: Cross multiply
    7,810.24x = 10,778.39 × 4,273.45
  4. Step 4: Simplify right side
    7,810.24x = 46,060,910.75
  5. Step 5: Solve for x
    x = 46,060,910.75/7,810.24
  6. Step 6: Final answer
    x = 5,897.50

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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.