Home / 4,156.79-6,235.74-3,417.12

Finding the Fourth Proportional to 4,156.79, 6,235.74 and 3,417.12

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Solution

The fourth proportional to 4,156.79, 6,235.74 and 3,417.12 is: 5,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.79 : 6,235.74 = 3,417.12 : x
  2. Step 2: Convert to fraction form
    4,156.79/6,235.74 = 3,417.12/x
  3. Step 3: Cross multiply
    4,156.79x = 6,235.74 × 3,417.12
  4. Step 4: Simplify right side
    4,156.79x = 21,308,271.87
  5. Step 5: Solve for x
    x = 21,308,271.87/4,156.79
  6. Step 6: Final answer
    x = 5,126.14

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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.