Home / 7,855.37-10,840.39-4,670.25

Finding the Fourth Proportional to 7,855.37, 10,840.39 and 4,670.25

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Solution

The fourth proportional to 7,855.37, 10,840.39 and 4,670.25 is: 6,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.37 : 10,840.39 = 4,670.25 : x
  2. Step 2: Convert to fraction form
    7,855.37/10,840.39 = 4,670.25/x
  3. Step 3: Cross multiply
    7,855.37x = 10,840.39 × 4,670.25
  4. Step 4: Simplify right side
    7,855.37x = 50,627,331.40
  5. Step 5: Solve for x
    x = 50,627,331.40/7,855.37
  6. Step 6: Final answer
    x = 6,444.93

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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.