Home / 8,426.65-11,628.13-4,649.97

Finding the Fourth Proportional to 8,426.65, 11,628.13 and 4,649.97

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Solution

The fourth proportional to 8,426.65, 11,628.13 and 4,649.97 is: 6,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.65 : 11,628.13 = 4,649.97 : x
  2. Step 2: Convert to fraction form
    8,426.65/11,628.13 = 4,649.97/x
  3. Step 3: Cross multiply
    8,426.65x = 11,628.13 × 4,649.97
  4. Step 4: Simplify right side
    8,426.65x = 54,070,455.66
  5. Step 5: Solve for x
    x = 54,070,455.66/8,426.65
  6. Step 6: Final answer
    x = 6,416.60

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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.