Home / 8,364.69-12,549.06-2,521.35

Finding the Fourth Proportional to 8,364.69, 12,549.06 and 2,521.35

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Solution

The fourth proportional to 8,364.69, 12,549.06 and 2,521.35 is: 3,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.69 : 12,549.06 = 2,521.35 : x
  2. Step 2: Convert to fraction form
    8,364.69/12,549.06 = 2,521.35/x
  3. Step 3: Cross multiply
    8,364.69x = 12,549.06 × 2,521.35
  4. Step 4: Simplify right side
    8,364.69x = 31,640,572.43
  5. Step 5: Solve for x
    x = 31,640,572.43/8,364.69
  6. Step 6: Final answer
    x = 3,782.64

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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.