Home / 5,018.81-7,529.73-1,686.67

Finding the Fourth Proportional to 5,018.81, 7,529.73 and 1,686.67

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Solution

The fourth proportional to 5,018.81, 7,529.73 and 1,686.67 is: 2,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.81 : 7,529.73 = 1,686.67 : x
  2. Step 2: Convert to fraction form
    5,018.81/7,529.73 = 1,686.67/x
  3. Step 3: Cross multiply
    5,018.81x = 7,529.73 × 1,686.67
  4. Step 4: Simplify right side
    5,018.81x = 12,700,201.14
  5. Step 5: Solve for x
    x = 12,700,201.14/5,018.81
  6. Step 6: Final answer
    x = 2,530.52

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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.