Home / 7,790.51-11,672.48-4,283.46

Finding the Fourth Proportional to 7,790.51, 11,672.48 and 4,283.46

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Solution

The fourth proportional to 7,790.51, 11,672.48 and 4,283.46 is: 6,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.51 : 11,672.48 = 4,283.46 : x
  2. Step 2: Convert to fraction form
    7,790.51/11,672.48 = 4,283.46/x
  3. Step 3: Cross multiply
    7,790.51x = 11,672.48 × 4,283.46
  4. Step 4: Simplify right side
    7,790.51x = 49,998,579.76
  5. Step 5: Solve for x
    x = 49,998,579.76/7,790.51
  6. Step 6: Final answer
    x = 6,417.88

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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.