Home / 8,696.43-12,000.85-4,717.51

Finding the Fourth Proportional to 8,696.43, 12,000.85 and 4,717.51

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Solution

The fourth proportional to 8,696.43, 12,000.85 and 4,717.51 is: 6,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.43 : 12,000.85 = 4,717.51 : x
  2. Step 2: Convert to fraction form
    8,696.43/12,000.85 = 4,717.51/x
  3. Step 3: Cross multiply
    8,696.43x = 12,000.85 × 4,717.51
  4. Step 4: Simplify right side
    8,696.43x = 56,614,088.09
  5. Step 5: Solve for x
    x = 56,614,088.09/8,696.43
  6. Step 6: Final answer
    x = 6,510.04

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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.