Home / 5,326.32-7,989.96-1,430.64

Finding the Fourth Proportional to 5,326.32, 7,989.96 and 1,430.64

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Solution

The fourth proportional to 5,326.32, 7,989.96 and 1,430.64 is: 2,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.32 : 7,989.96 = 1,430.64 : x
  2. Step 2: Convert to fraction form
    5,326.32/7,989.96 = 1,430.64/x
  3. Step 3: Cross multiply
    5,326.32x = 7,989.96 × 1,430.64
  4. Step 4: Simplify right side
    5,326.32x = 11,430,756.37
  5. Step 5: Solve for x
    x = 11,430,756.37/5,326.32
  6. Step 6: Final answer
    x = 2,146.09

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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.