Home / 5,250.50-7,875.78-1,354.64

Finding the Fourth Proportional to 5,250.50, 7,875.78 and 1,354.64

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Solution

The fourth proportional to 5,250.50, 7,875.78 and 1,354.64 is: 2,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.50 : 7,875.78 = 1,354.64 : x
  2. Step 2: Convert to fraction form
    5,250.50/7,875.78 = 1,354.64/x
  3. Step 3: Cross multiply
    5,250.50x = 7,875.78 × 1,354.64
  4. Step 4: Simplify right side
    5,250.50x = 10,668,846.62
  5. Step 5: Solve for x
    x = 10,668,846.62/5,250.50
  6. Step 6: Final answer
    x = 2,031.97

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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.