Home / 4,861.50-6,689.43-4,725.42

Finding the Fourth Proportional to 4,861.50, 6,689.43 and 4,725.42

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Solution

The fourth proportional to 4,861.50, 6,689.43 and 4,725.42 is: 6,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.50 : 6,689.43 = 4,725.42 : x
  2. Step 2: Convert to fraction form
    4,861.50/6,689.43 = 4,725.42/x
  3. Step 3: Cross multiply
    4,861.50x = 6,689.43 × 4,725.42
  4. Step 4: Simplify right side
    4,861.50x = 31,610,366.31
  5. Step 5: Solve for x
    x = 31,610,366.31/4,861.50
  6. Step 6: Final answer
    x = 6,502.18

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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.