Home / 7,520.31-10,374.75-4,534.45

Finding the Fourth Proportional to 7,520.31, 10,374.75 and 4,534.45

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Solution

The fourth proportional to 7,520.31, 10,374.75 and 4,534.45 is: 6,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.31 : 10,374.75 = 4,534.45 : x
  2. Step 2: Convert to fraction form
    7,520.31/10,374.75 = 4,534.45/x
  3. Step 3: Cross multiply
    7,520.31x = 10,374.75 × 4,534.45
  4. Step 4: Simplify right side
    7,520.31x = 47,043,759.20
  5. Step 5: Solve for x
    x = 47,043,759.20/7,520.31
  6. Step 6: Final answer
    x = 6,255.56

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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.