Home / 5,011.68-7,517.96-1,313.90

Finding the Fourth Proportional to 5,011.68, 7,517.96 and 1,313.90

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Solution

The fourth proportional to 5,011.68, 7,517.96 and 1,313.90 is: 1,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.68 : 7,517.96 = 1,313.90 : x
  2. Step 2: Convert to fraction form
    5,011.68/7,517.96 = 1,313.90/x
  3. Step 3: Cross multiply
    5,011.68x = 7,517.96 × 1,313.90
  4. Step 4: Simplify right side
    5,011.68x = 9,877,813.34
  5. Step 5: Solve for x
    x = 9,877,813.34/5,011.68
  6. Step 6: Final answer
    x = 1,970.96

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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.