Home / 5,136.52-7,667.62-4,513.74

Finding the Fourth Proportional to 5,136.52, 7,667.62 and 4,513.74

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Solution

The fourth proportional to 5,136.52, 7,667.62 and 4,513.74 is: 6,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.52 : 7,667.62 = 4,513.74 : x
  2. Step 2: Convert to fraction form
    5,136.52/7,667.62 = 4,513.74/x
  3. Step 3: Cross multiply
    5,136.52x = 7,667.62 × 4,513.74
  4. Step 4: Simplify right side
    5,136.52x = 34,609,631.81
  5. Step 5: Solve for x
    x = 34,609,631.81/5,136.52
  6. Step 6: Final answer
    x = 6,737.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.