Home / 4,475.88-6,176.80-2,486.40

Finding the Fourth Proportional to 4,475.88, 6,176.80 and 2,486.40

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Solution

The fourth proportional to 4,475.88, 6,176.80 and 2,486.40 is: 3,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.88 : 6,176.80 = 2,486.40 : x
  2. Step 2: Convert to fraction form
    4,475.88/6,176.80 = 2,486.40/x
  3. Step 3: Cross multiply
    4,475.88x = 6,176.80 × 2,486.40
  4. Step 4: Simplify right side
    4,475.88x = 15,357,995.52
  5. Step 5: Solve for x
    x = 15,357,995.52/4,475.88
  6. Step 6: Final answer
    x = 3,431.28

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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.