Home / 6,687.29-10,012.20-5,038.67

Finding the Fourth Proportional to 6,687.29, 10,012.20 and 5,038.67

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Solution

The fourth proportional to 6,687.29, 10,012.20 and 5,038.67 is: 7,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.29 : 10,012.20 = 5,038.67 : x
  2. Step 2: Convert to fraction form
    6,687.29/10,012.20 = 5,038.67/x
  3. Step 3: Cross multiply
    6,687.29x = 10,012.20 × 5,038.67
  4. Step 4: Simplify right side
    6,687.29x = 50,448,121.71
  5. Step 5: Solve for x
    x = 50,448,121.71/6,687.29
  6. Step 6: Final answer
    x = 7,543.89

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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.