Home / 6,423.66-8,861.67-4,535.28

Finding the Fourth Proportional to 6,423.66, 8,861.67 and 4,535.28

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Solution

The fourth proportional to 6,423.66, 8,861.67 and 4,535.28 is: 6,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.66 : 8,861.67 = 4,535.28 : x
  2. Step 2: Convert to fraction form
    6,423.66/8,861.67 = 4,535.28/x
  3. Step 3: Cross multiply
    6,423.66x = 8,861.67 × 4,535.28
  4. Step 4: Simplify right side
    6,423.66x = 40,190,154.72
  5. Step 5: Solve for x
    x = 40,190,154.72/6,423.66
  6. Step 6: Final answer
    x = 6,256.58

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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.