Home / 5,423.03-8,130.44-4,326.79

Finding the Fourth Proportional to 5,423.03, 8,130.44 and 4,326.79

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Solution

The fourth proportional to 5,423.03, 8,130.44 and 4,326.79 is: 6,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.03 : 8,130.44 = 4,326.79 : x
  2. Step 2: Convert to fraction form
    5,423.03/8,130.44 = 4,326.79/x
  3. Step 3: Cross multiply
    5,423.03x = 8,130.44 × 4,326.79
  4. Step 4: Simplify right side
    5,423.03x = 35,178,706.49
  5. Step 5: Solve for x
    x = 35,178,706.49/5,423.03
  6. Step 6: Final answer
    x = 6,486.91

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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.