Home / 4,969.29-7,454.88-1,681.50

Finding the Fourth Proportional to 4,969.29, 7,454.88 and 1,681.50

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Solution

The fourth proportional to 4,969.29, 7,454.88 and 1,681.50 is: 2,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.29 : 7,454.88 = 1,681.50 : x
  2. Step 2: Convert to fraction form
    4,969.29/7,454.88 = 1,681.50/x
  3. Step 3: Cross multiply
    4,969.29x = 7,454.88 × 1,681.50
  4. Step 4: Simplify right side
    4,969.29x = 12,535,380.72
  5. Step 5: Solve for x
    x = 12,535,380.72/4,969.29
  6. Step 6: Final answer
    x = 2,522.57

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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.