Home / 9,764.31-13,474.87-5,457.21

Finding the Fourth Proportional to 9,764.31, 13,474.87 and 5,457.21

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Solution

The fourth proportional to 9,764.31, 13,474.87 and 5,457.21 is: 7,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.31 : 13,474.87 = 5,457.21 : x
  2. Step 2: Convert to fraction form
    9,764.31/13,474.87 = 5,457.21/x
  3. Step 3: Cross multiply
    9,764.31x = 13,474.87 × 5,457.21
  4. Step 4: Simplify right side
    9,764.31x = 73,535,237.63
  5. Step 5: Solve for x
    x = 73,535,237.63/9,764.31
  6. Step 6: Final answer
    x = 7,531.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.