Home / 7,551.06-10,420.32-4,193.81

Finding the Fourth Proportional to 7,551.06, 10,420.32 and 4,193.81

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Solution

The fourth proportional to 7,551.06, 10,420.32 and 4,193.81 is: 5,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.06 : 10,420.32 = 4,193.81 : x
  2. Step 2: Convert to fraction form
    7,551.06/10,420.32 = 4,193.81/x
  3. Step 3: Cross multiply
    7,551.06x = 10,420.32 × 4,193.81
  4. Step 4: Simplify right side
    7,551.06x = 43,700,790.12
  5. Step 5: Solve for x
    x = 43,700,790.12/7,551.06
  6. Step 6: Final answer
    x = 5,787.37

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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.