Home / 8,436.50-12,653.44-2,888.57

Finding the Fourth Proportional to 8,436.50, 12,653.44 and 2,888.57

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Solution

The fourth proportional to 8,436.50, 12,653.44 and 2,888.57 is: 4,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.50 : 12,653.44 = 2,888.57 : x
  2. Step 2: Convert to fraction form
    8,436.50/12,653.44 = 2,888.57/x
  3. Step 3: Cross multiply
    8,436.50x = 12,653.44 × 2,888.57
  4. Step 4: Simplify right side
    8,436.50x = 36,550,347.18
  5. Step 5: Solve for x
    x = 36,550,347.18/8,436.50
  6. Step 6: Final answer
    x = 4,332.41

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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.