Home / 7,639.26-11,461.40-4,824.84

Finding the Fourth Proportional to 7,639.26, 11,461.40 and 4,824.84

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Solution

The fourth proportional to 7,639.26, 11,461.40 and 4,824.84 is: 7,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.26 : 11,461.40 = 4,824.84 : x
  2. Step 2: Convert to fraction form
    7,639.26/11,461.40 = 4,824.84/x
  3. Step 3: Cross multiply
    7,639.26x = 11,461.40 × 4,824.84
  4. Step 4: Simplify right side
    7,639.26x = 55,299,421.18
  5. Step 5: Solve for x
    x = 55,299,421.18/7,639.26
  6. Step 6: Final answer
    x = 7,238.85

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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.