Home / 5,038.20-6,956.10-3,857.16

Finding the Fourth Proportional to 5,038.20, 6,956.10 and 3,857.16

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Solution

The fourth proportional to 5,038.20, 6,956.10 and 3,857.16 is: 5,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.20 : 6,956.10 = 3,857.16 : x
  2. Step 2: Convert to fraction form
    5,038.20/6,956.10 = 3,857.16/x
  3. Step 3: Cross multiply
    5,038.20x = 6,956.10 × 3,857.16
  4. Step 4: Simplify right side
    5,038.20x = 26,830,790.68
  5. Step 5: Solve for x
    x = 26,830,790.68/5,038.20
  6. Step 6: Final answer
    x = 5,325.47

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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.