Home / 7,581.71-11,368.31-4,070.36

Finding the Fourth Proportional to 7,581.71, 11,368.31 and 4,070.36

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Solution

The fourth proportional to 7,581.71, 11,368.31 and 4,070.36 is: 6,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.71 : 11,368.31 = 4,070.36 : x
  2. Step 2: Convert to fraction form
    7,581.71/11,368.31 = 4,070.36/x
  3. Step 3: Cross multiply
    7,581.71x = 11,368.31 × 4,070.36
  4. Step 4: Simplify right side
    7,581.71x = 46,273,037.10
  5. Step 5: Solve for x
    x = 46,273,037.10/7,581.71
  6. Step 6: Final answer
    x = 6,103.25

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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.