Home / 5,005.21-7,507.86-1,542.46

Finding the Fourth Proportional to 5,005.21, 7,507.86 and 1,542.46

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Solution

The fourth proportional to 5,005.21, 7,507.86 and 1,542.46 is: 2,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.21 : 7,507.86 = 1,542.46 : x
  2. Step 2: Convert to fraction form
    5,005.21/7,507.86 = 1,542.46/x
  3. Step 3: Cross multiply
    5,005.21x = 7,507.86 × 1,542.46
  4. Step 4: Simplify right side
    5,005.21x = 11,580,573.74
  5. Step 5: Solve for x
    x = 11,580,573.74/5,005.21
  6. Step 6: Final answer
    x = 2,313.70

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1.5x scale

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.