Home / 5,012.45-7,518.93-1,314.69

Finding the Fourth Proportional to 5,012.45, 7,518.93 and 1,314.69

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Solution

The fourth proportional to 5,012.45, 7,518.93 and 1,314.69 is: 1,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.45 : 7,518.93 = 1,314.69 : x
  2. Step 2: Convert to fraction form
    5,012.45/7,518.93 = 1,314.69/x
  3. Step 3: Cross multiply
    5,012.45x = 7,518.93 × 1,314.69
  4. Step 4: Simplify right side
    5,012.45x = 9,885,057.15
  5. Step 5: Solve for x
    x = 9,885,057.15/5,012.45
  6. Step 6: Final answer
    x = 1,972.10

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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.