Home / 7,381.28-10,186.44-4,548.08

Finding the Fourth Proportional to 7,381.28, 10,186.44 and 4,548.08

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Solution

The fourth proportional to 7,381.28, 10,186.44 and 4,548.08 is: 6,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.28 : 10,186.44 = 4,548.08 : x
  2. Step 2: Convert to fraction form
    7,381.28/10,186.44 = 4,548.08/x
  3. Step 3: Cross multiply
    7,381.28x = 10,186.44 × 4,548.08
  4. Step 4: Simplify right side
    7,381.28x = 46,328,744.04
  5. Step 5: Solve for x
    x = 46,328,744.04/7,381.28
  6. Step 6: Final answer
    x = 6,276.52

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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.