Home / 6,423.96-8,865-4,068.03

Finding the Fourth Proportional to 6,423.96, 8,865 and 4,068.03

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Solution

The fourth proportional to 6,423.96, 8,865 and 4,068.03 is: 5,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.96 : 8,865 = 4,068.03 : x
  2. Step 2: Convert to fraction form
    6,423.96/8,865 = 4,068.03/x
  3. Step 3: Cross multiply
    6,423.96x = 8,865 × 4,068.03
  4. Step 4: Simplify right side
    6,423.96x = 36,063,085.95
  5. Step 5: Solve for x
    x = 36,063,085.95/6,423.96
  6. Step 6: Final answer
    x = 5,613.84

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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.