Home / 3,711.47-5,567.72-1,247.00

Finding the Fourth Proportional to 3,711.47, 5,567.72 and 1,247.00

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Solution

The fourth proportional to 3,711.47, 5,567.72 and 1,247.00 is: 1,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.47 : 5,567.72 = 1,247.00 : x
  2. Step 2: Convert to fraction form
    3,711.47/5,567.72 = 1,247.00/x
  3. Step 3: Cross multiply
    3,711.47x = 5,567.72 × 1,247.00
  4. Step 4: Simplify right side
    3,711.47x = 6,942,944.56
  5. Step 5: Solve for x
    x = 6,942,944.56/3,711.47
  6. Step 6: Final answer
    x = 1,870.67

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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.