Home / 5,312.32-7,969.94-1,614.67

Finding the Fourth Proportional to 5,312.32, 7,969.94 and 1,614.67

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Solution

The fourth proportional to 5,312.32, 7,969.94 and 1,614.67 is: 2,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.32 : 7,969.94 = 1,614.67 : x
  2. Step 2: Convert to fraction form
    5,312.32/7,969.94 = 1,614.67/x
  3. Step 3: Cross multiply
    5,312.32x = 7,969.94 × 1,614.67
  4. Step 4: Simplify right side
    5,312.32x = 12,868,823.02
  5. Step 5: Solve for x
    x = 12,868,823.02/5,312.32
  6. Step 6: Final answer
    x = 2,422.45

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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.