Home / 4,211.10-6,316.65-1,615.86

Finding the Fourth Proportional to 4,211.10, 6,316.65 and 1,615.86

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Solution

The fourth proportional to 4,211.10, 6,316.65 and 1,615.86 is: 2,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.10 : 6,316.65 = 1,615.86 : x
  2. Step 2: Convert to fraction form
    4,211.10/6,316.65 = 1,615.86/x
  3. Step 3: Cross multiply
    4,211.10x = 6,316.65 × 1,615.86
  4. Step 4: Simplify right side
    4,211.10x = 10,206,822.07
  5. Step 5: Solve for x
    x = 10,206,822.07/4,211.10
  6. Step 6: Final answer
    x = 2,423.79

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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.