Home / 7,863.55-10,851.79-4,506.30

Finding the Fourth Proportional to 7,863.55, 10,851.79 and 4,506.30

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Solution

The fourth proportional to 7,863.55, 10,851.79 and 4,506.30 is: 6,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.55 : 10,851.79 = 4,506.30 : x
  2. Step 2: Convert to fraction form
    7,863.55/10,851.79 = 4,506.30/x
  3. Step 3: Cross multiply
    7,863.55x = 10,851.79 × 4,506.30
  4. Step 4: Simplify right side
    7,863.55x = 48,901,421.28
  5. Step 5: Solve for x
    x = 48,901,421.28/7,863.55
  6. Step 6: Final answer
    x = 6,218.75

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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.