Home / 7,639.71-11,461.22-2,374.62

Finding the Fourth Proportional to 7,639.71, 11,461.22 and 2,374.62

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Solution

The fourth proportional to 7,639.71, 11,461.22 and 2,374.62 is: 3,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.71 : 11,461.22 = 2,374.62 : x
  2. Step 2: Convert to fraction form
    7,639.71/11,461.22 = 2,374.62/x
  3. Step 3: Cross multiply
    7,639.71x = 11,461.22 × 2,374.62
  4. Step 4: Simplify right side
    7,639.71x = 27,216,030.36
  5. Step 5: Solve for x
    x = 27,216,030.36/7,639.71
  6. Step 6: Final answer
    x = 3,562.44

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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.