Home / 4,710.42-7,065.81-1,247.67

Finding the Fourth Proportional to 4,710.42, 7,065.81 and 1,247.67

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Solution

The fourth proportional to 4,710.42, 7,065.81 and 1,247.67 is: 1,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.42 : 7,065.81 = 1,247.67 : x
  2. Step 2: Convert to fraction form
    4,710.42/7,065.81 = 1,247.67/x
  3. Step 3: Cross multiply
    4,710.42x = 7,065.81 × 1,247.67
  4. Step 4: Simplify right side
    4,710.42x = 8,815,799.16
  5. Step 5: Solve for x
    x = 8,815,799.16/4,710.42
  6. Step 6: Final answer
    x = 1,871.55

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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.