Home / 7,619.31-10,513.76-4,262.06

Finding the Fourth Proportional to 7,619.31, 10,513.76 and 4,262.06

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Solution

The fourth proportional to 7,619.31, 10,513.76 and 4,262.06 is: 5,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.31 : 10,513.76 = 4,262.06 : x
  2. Step 2: Convert to fraction form
    7,619.31/10,513.76 = 4,262.06/x
  3. Step 3: Cross multiply
    7,619.31x = 10,513.76 × 4,262.06
  4. Step 4: Simplify right side
    7,619.31x = 44,810,202.07
  5. Step 5: Solve for x
    x = 44,810,202.07/7,619.31
  6. Step 6: Final answer
    x = 5,881.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.