Home / 8,423.39-12,611.48-4,465.70

Finding the Fourth Proportional to 8,423.39, 12,611.48 and 4,465.70

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Solution

The fourth proportional to 8,423.39, 12,611.48 and 4,465.70 is: 6,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.39 : 12,611.48 = 4,465.70 : x
  2. Step 2: Convert to fraction form
    8,423.39/12,611.48 = 4,465.70/x
  3. Step 3: Cross multiply
    8,423.39x = 12,611.48 × 4,465.70
  4. Step 4: Simplify right side
    8,423.39x = 56,319,000.85
  5. Step 5: Solve for x
    x = 56,319,000.85/8,423.39
  6. Step 6: Final answer
    x = 6,686.03

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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.