Home / 8,436.56-12,651.59-2,888.87

Finding the Fourth Proportional to 8,436.56, 12,651.59 and 2,888.87

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Solution

The fourth proportional to 8,436.56, 12,651.59 and 2,888.87 is: 4,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.56 : 12,651.59 = 2,888.87 : x
  2. Step 2: Convert to fraction form
    8,436.56/12,651.59 = 2,888.87/x
  3. Step 3: Cross multiply
    8,436.56x = 12,651.59 × 2,888.87
  4. Step 4: Simplify right side
    8,436.56x = 36,548,742.77
  5. Step 5: Solve for x
    x = 36,548,742.77/8,436.56
  6. Step 6: Final answer
    x = 4,332.19

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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.