Home / 7,643.30-10,548.24-4,997.84

Finding the Fourth Proportional to 7,643.30, 10,548.24 and 4,997.84

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Solution

The fourth proportional to 7,643.30, 10,548.24 and 4,997.84 is: 6,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.30 : 10,548.24 = 4,997.84 : x
  2. Step 2: Convert to fraction form
    7,643.30/10,548.24 = 4,997.84/x
  3. Step 3: Cross multiply
    7,643.30x = 10,548.24 × 4,997.84
  4. Step 4: Simplify right side
    7,643.30x = 52,718,415.80
  5. Step 5: Solve for x
    x = 52,718,415.80/7,643.30
  6. Step 6: Final answer
    x = 6,897.34

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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.