Home / 4,185.12-6,277.98-1,263.45

Finding the Fourth Proportional to 4,185.12, 6,277.98 and 1,263.45

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Solution

The fourth proportional to 4,185.12, 6,277.98 and 1,263.45 is: 1,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.12 : 6,277.98 = 1,263.45 : x
  2. Step 2: Convert to fraction form
    4,185.12/6,277.98 = 1,263.45/x
  3. Step 3: Cross multiply
    4,185.12x = 6,277.98 × 1,263.45
  4. Step 4: Simplify right side
    4,185.12x = 7,931,913.83
  5. Step 5: Solve for x
    x = 7,931,913.83/4,185.12
  6. Step 6: Final answer
    x = 1,895.27

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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.