Home / 8,426.25-11,628.23-4,700.25

Finding the Fourth Proportional to 8,426.25, 11,628.23 and 4,700.25

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Solution

The fourth proportional to 8,426.25, 11,628.23 and 4,700.25 is: 6,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.25 : 11,628.23 = 4,700.25 : x
  2. Step 2: Convert to fraction form
    8,426.25/11,628.23 = 4,700.25/x
  3. Step 3: Cross multiply
    8,426.25x = 11,628.23 × 4,700.25
  4. Step 4: Simplify right side
    8,426.25x = 54,655,564.56
  5. Step 5: Solve for x
    x = 54,655,564.56/8,426.25
  6. Step 6: Final answer
    x = 6,486.35

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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.