Home / 6,423.42-8,864.22-3,590.64

Finding the Fourth Proportional to 6,423.42, 8,864.22 and 3,590.64

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Solution

The fourth proportional to 6,423.42, 8,864.22 and 3,590.64 is: 4,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.42 : 8,864.22 = 3,590.64 : x
  2. Step 2: Convert to fraction form
    6,423.42/8,864.22 = 3,590.64/x
  3. Step 3: Cross multiply
    6,423.42x = 8,864.22 × 3,590.64
  4. Step 4: Simplify right side
    6,423.42x = 31,828,222.90
  5. Step 5: Solve for x
    x = 31,828,222.90/6,423.42
  6. Step 6: Final answer
    x = 4,955.03

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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.