Home / 4,886.20-7,313.10-4,497.40

Finding the Fourth Proportional to 4,886.20, 7,313.10 and 4,497.40

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Solution

The fourth proportional to 4,886.20, 7,313.10 and 4,497.40 is: 6,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.20 : 7,313.10 = 4,497.40 : x
  2. Step 2: Convert to fraction form
    4,886.20/7,313.10 = 4,497.40/x
  3. Step 3: Cross multiply
    4,886.20x = 7,313.10 × 4,497.40
  4. Step 4: Simplify right side
    4,886.20x = 32,889,935.94
  5. Step 5: Solve for x
    x = 32,889,935.94/4,886.20
  6. Step 6: Final answer
    x = 6,731.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.