Home / 7,435.64-11,152.90-2,753.45

Finding the Fourth Proportional to 7,435.64, 11,152.90 and 2,753.45

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Solution

The fourth proportional to 7,435.64, 11,152.90 and 2,753.45 is: 4,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.64 : 11,152.90 = 2,753.45 : x
  2. Step 2: Convert to fraction form
    7,435.64/11,152.90 = 2,753.45/x
  3. Step 3: Cross multiply
    7,435.64x = 11,152.90 × 2,753.45
  4. Step 4: Simplify right side
    7,435.64x = 30,708,952.51
  5. Step 5: Solve for x
    x = 30,708,952.51/7,435.64
  6. Step 6: Final answer
    x = 4,129.97

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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.