Home / 8,973.28-12,382.23-5,436.28

Finding the Fourth Proportional to 8,973.28, 12,382.23 and 5,436.28

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Solution

The fourth proportional to 8,973.28, 12,382.23 and 5,436.28 is: 7,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.28 : 12,382.23 = 5,436.28 : x
  2. Step 2: Convert to fraction form
    8,973.28/12,382.23 = 5,436.28/x
  3. Step 3: Cross multiply
    8,973.28x = 12,382.23 × 5,436.28
  4. Step 4: Simplify right side
    8,973.28x = 67,313,269.30
  5. Step 5: Solve for x
    x = 67,313,269.30/8,973.28
  6. Step 6: Final answer
    x = 7,501.52

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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.