Home / 4,752.10-7,128.33-4,211.02

Finding the Fourth Proportional to 4,752.10, 7,128.33 and 4,211.02

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Solution

The fourth proportional to 4,752.10, 7,128.33 and 4,211.02 is: 6,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.10 : 7,128.33 = 4,211.02 : x
  2. Step 2: Convert to fraction form
    4,752.10/7,128.33 = 4,211.02/x
  3. Step 3: Cross multiply
    4,752.10x = 7,128.33 × 4,211.02
  4. Step 4: Simplify right side
    4,752.10x = 30,017,540.20
  5. Step 5: Solve for x
    x = 30,017,540.20/4,752.10
  6. Step 6: Final answer
    x = 6,316.69

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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.