Home / 4,211.18-6,318.40-1,613.52

Finding the Fourth Proportional to 4,211.18, 6,318.40 and 1,613.52

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Solution

The fourth proportional to 4,211.18, 6,318.40 and 1,613.52 is: 2,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.18 : 6,318.40 = 1,613.52 : x
  2. Step 2: Convert to fraction form
    4,211.18/6,318.40 = 1,613.52/x
  3. Step 3: Cross multiply
    4,211.18x = 6,318.40 × 1,613.52
  4. Step 4: Simplify right side
    4,211.18x = 10,194,864.77
  5. Step 5: Solve for x
    x = 10,194,864.77/4,211.18
  6. Step 6: Final answer
    x = 2,420.90

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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.