Home / 8,973.38-13,460.53-3,427.21

Finding the Fourth Proportional to 8,973.38, 13,460.53 and 3,427.21

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Solution

The fourth proportional to 8,973.38, 13,460.53 and 3,427.21 is: 5,140.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.38 : 13,460.53 = 3,427.21 : x
  2. Step 2: Convert to fraction form
    8,973.38/13,460.53 = 3,427.21/x
  3. Step 3: Cross multiply
    8,973.38x = 13,460.53 × 3,427.21
  4. Step 4: Simplify right side
    8,973.38x = 46,132,077.70
  5. Step 5: Solve for x
    x = 46,132,077.70/8,973.38
  6. Step 6: Final answer
    x = 5,140.99

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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.