Home / 4,212.90-6,317.76-1,250.76

Finding the Fourth Proportional to 4,212.90, 6,317.76 and 1,250.76

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Solution

The fourth proportional to 4,212.90, 6,317.76 and 1,250.76 is: 1,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.90 : 6,317.76 = 1,250.76 : x
  2. Step 2: Convert to fraction form
    4,212.90/6,317.76 = 1,250.76/x
  3. Step 3: Cross multiply
    4,212.90x = 6,317.76 × 1,250.76
  4. Step 4: Simplify right side
    4,212.90x = 7,902,001.50
  5. Step 5: Solve for x
    x = 7,902,001.50/4,212.90
  6. Step 6: Final answer
    x = 1,875.67

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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.