Home / 8,130.36-12,238.29-6,206.52

Finding the Fourth Proportional to 8,130.36, 12,238.29 and 6,206.52

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Solution

The fourth proportional to 8,130.36, 12,238.29 and 6,206.52 is: 9,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.36 : 12,238.29 = 6,206.52 : x
  2. Step 2: Convert to fraction form
    8,130.36/12,238.29 = 6,206.52/x
  3. Step 3: Cross multiply
    8,130.36x = 12,238.29 × 6,206.52
  4. Step 4: Simplify right side
    8,130.36x = 75,957,191.65
  5. Step 5: Solve for x
    x = 75,957,191.65/8,130.36
  6. Step 6: Final answer
    x = 9,342.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.