Home / 8,743.29-12,065.81-5,205.84

Finding the Fourth Proportional to 8,743.29, 12,065.81 and 5,205.84

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Solution

The fourth proportional to 8,743.29, 12,065.81 and 5,205.84 is: 7,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.29 : 12,065.81 = 5,205.84 : x
  2. Step 2: Convert to fraction form
    8,743.29/12,065.81 = 5,205.84/x
  3. Step 3: Cross multiply
    8,743.29x = 12,065.81 × 5,205.84
  4. Step 4: Simplify right side
    8,743.29x = 62,812,650.30
  5. Step 5: Solve for x
    x = 62,812,650.30/8,743.29
  6. Step 6: Final answer
    x = 7,184.10

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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.