Home / 4,680.11-6,458.29-2,911.70

Finding the Fourth Proportional to 4,680.11, 6,458.29 and 2,911.70

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Solution

The fourth proportional to 4,680.11, 6,458.29 and 2,911.70 is: 4,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.11 : 6,458.29 = 2,911.70 : x
  2. Step 2: Convert to fraction form
    4,680.11/6,458.29 = 2,911.70/x
  3. Step 3: Cross multiply
    4,680.11x = 6,458.29 × 2,911.70
  4. Step 4: Simplify right side
    4,680.11x = 18,804,563.42
  5. Step 5: Solve for x
    x = 18,804,563.42/4,680.11
  6. Step 6: Final answer
    x = 4,017.98

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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.