Home / 4,810.42-6,638.88-2,715.22

Finding the Fourth Proportional to 4,810.42, 6,638.88 and 2,715.22

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Solution

The fourth proportional to 4,810.42, 6,638.88 and 2,715.22 is: 3,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.42 : 6,638.88 = 2,715.22 : x
  2. Step 2: Convert to fraction form
    4,810.42/6,638.88 = 2,715.22/x
  3. Step 3: Cross multiply
    4,810.42x = 6,638.88 × 2,715.22
  4. Step 4: Simplify right side
    4,810.42x = 18,026,019.75
  5. Step 5: Solve for x
    x = 18,026,019.75/4,810.42
  6. Step 6: Final answer
    x = 3,747.29

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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.