Home / 8,423.33-12,642.75-4,266.25

Finding the Fourth Proportional to 8,423.33, 12,642.75 and 4,266.25

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Solution

The fourth proportional to 8,423.33, 12,642.75 and 4,266.25 is: 6,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.33 : 12,642.75 = 4,266.25 : x
  2. Step 2: Convert to fraction form
    8,423.33/12,642.75 = 4,266.25/x
  3. Step 3: Cross multiply
    8,423.33x = 12,642.75 × 4,266.25
  4. Step 4: Simplify right side
    8,423.33x = 53,937,100.58
  5. Step 5: Solve for x
    x = 53,937,100.58/8,423.33
  6. Step 6: Final answer
    x = 6,403.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.