Home / 4,207.18-5,810.08-2,886.70

Finding the Fourth Proportional to 4,207.18, 5,810.08 and 2,886.70

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Solution

The fourth proportional to 4,207.18, 5,810.08 and 2,886.70 is: 3,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.18 : 5,810.08 = 2,886.70 : x
  2. Step 2: Convert to fraction form
    4,207.18/5,810.08 = 2,886.70/x
  3. Step 3: Cross multiply
    4,207.18x = 5,810.08 × 2,886.70
  4. Step 4: Simplify right side
    4,207.18x = 16,771,957.94
  5. Step 5: Solve for x
    x = 16,771,957.94/4,207.18
  6. Step 6: Final answer
    x = 3,986.51

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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.