Home / 4,185.07-6,277.65-1,263.40

Finding the Fourth Proportional to 4,185.07, 6,277.65 and 1,263.40

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Solution

The fourth proportional to 4,185.07, 6,277.65 and 1,263.40 is: 1,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.07 : 6,277.65 = 1,263.40 : x
  2. Step 2: Convert to fraction form
    4,185.07/6,277.65 = 1,263.40/x
  3. Step 3: Cross multiply
    4,185.07x = 6,277.65 × 1,263.40
  4. Step 4: Simplify right side
    4,185.07x = 7,931,176.69
  5. Step 5: Solve for x
    x = 7,931,176.69/4,185.07
  6. Step 6: Final answer
    x = 1,895.11

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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.