Home / 6,423.49-9,620.05-5,475.79

Finding the Fourth Proportional to 6,423.49, 9,620.05 and 5,475.79

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Solution

The fourth proportional to 6,423.49, 9,620.05 and 5,475.79 is: 8,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.49 : 9,620.05 = 5,475.79 : x
  2. Step 2: Convert to fraction form
    6,423.49/9,620.05 = 5,475.79/x
  3. Step 3: Cross multiply
    6,423.49x = 9,620.05 × 5,475.79
  4. Step 4: Simplify right side
    6,423.49x = 52,677,373.59
  5. Step 5: Solve for x
    x = 52,677,373.59/6,423.49
  6. Step 6: Final answer
    x = 8,200.74

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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.