Home / 8,157.19-12,237.36-3,477.12

Finding the Fourth Proportional to 8,157.19, 12,237.36 and 3,477.12

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Solution

The fourth proportional to 8,157.19, 12,237.36 and 3,477.12 is: 5,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.19 : 12,237.36 = 3,477.12 : x
  2. Step 2: Convert to fraction form
    8,157.19/12,237.36 = 3,477.12/x
  3. Step 3: Cross multiply
    8,157.19x = 12,237.36 × 3,477.12
  4. Step 4: Simplify right side
    8,157.19x = 42,550,769.20
  5. Step 5: Solve for x
    x = 42,550,769.20/8,157.19
  6. Step 6: Final answer
    x = 5,216.35

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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.