Home / 7,437.42-11,152.35-2,757.24

Finding the Fourth Proportional to 7,437.42, 11,152.35 and 2,757.24

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Solution

The fourth proportional to 7,437.42, 11,152.35 and 2,757.24 is: 4,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.42 : 11,152.35 = 2,757.24 : x
  2. Step 2: Convert to fraction form
    7,437.42/11,152.35 = 2,757.24/x
  3. Step 3: Cross multiply
    7,437.42x = 11,152.35 × 2,757.24
  4. Step 4: Simplify right side
    7,437.42x = 30,749,705.51
  5. Step 5: Solve for x
    x = 30,749,705.51/7,437.42
  6. Step 6: Final answer
    x = 4,134.46

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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.