Home / 7,621.21-11,432.56-2,356.01

Finding the Fourth Proportional to 7,621.21, 11,432.56 and 2,356.01

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Solution

The fourth proportional to 7,621.21, 11,432.56 and 2,356.01 is: 3,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.21 : 11,432.56 = 2,356.01 : x
  2. Step 2: Convert to fraction form
    7,621.21/11,432.56 = 2,356.01/x
  3. Step 3: Cross multiply
    7,621.21x = 11,432.56 × 2,356.01
  4. Step 4: Simplify right side
    7,621.21x = 26,935,225.69
  5. Step 5: Solve for x
    x = 26,935,225.69/7,621.21
  6. Step 6: Final answer
    x = 3,534.25

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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.