Home / 5,012.69-7,518.81-1,725.80

Finding the Fourth Proportional to 5,012.69, 7,518.81 and 1,725.80

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Solution

The fourth proportional to 5,012.69, 7,518.81 and 1,725.80 is: 2,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.69 : 7,518.81 = 1,725.80 : x
  2. Step 2: Convert to fraction form
    5,012.69/7,518.81 = 1,725.80/x
  3. Step 3: Cross multiply
    5,012.69x = 7,518.81 × 1,725.80
  4. Step 4: Simplify right side
    5,012.69x = 12,975,962.30
  5. Step 5: Solve for x
    x = 12,975,962.30/5,012.69
  6. Step 6: Final answer
    x = 2,588.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.