Home / 4,316.28-6,474.36-1,238.28

Finding the Fourth Proportional to 4,316.28, 6,474.36 and 1,238.28

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Solution

The fourth proportional to 4,316.28, 6,474.36 and 1,238.28 is: 1,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.28 : 6,474.36 = 1,238.28 : x
  2. Step 2: Convert to fraction form
    4,316.28/6,474.36 = 1,238.28/x
  3. Step 3: Cross multiply
    4,316.28x = 6,474.36 × 1,238.28
  4. Step 4: Simplify right side
    4,316.28x = 8,017,070.50
  5. Step 5: Solve for x
    x = 8,017,070.50/4,316.28
  6. Step 6: Final answer
    x = 1,857.40

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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.