Home / 7,314.31-10,971.47-4,412.89

Finding the Fourth Proportional to 7,314.31, 10,971.47 and 4,412.89

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Solution

The fourth proportional to 7,314.31, 10,971.47 and 4,412.89 is: 6,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.31 : 10,971.47 = 4,412.89 : x
  2. Step 2: Convert to fraction form
    7,314.31/10,971.47 = 4,412.89/x
  3. Step 3: Cross multiply
    7,314.31x = 10,971.47 × 4,412.89
  4. Step 4: Simplify right side
    7,314.31x = 48,415,890.25
  5. Step 5: Solve for x
    x = 48,415,890.25/7,314.31
  6. Step 6: Final answer
    x = 6,619.34

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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.