Home / 5,289.25-7,299.18-2,931.34

Finding the Fourth Proportional to 5,289.25, 7,299.18 and 2,931.34

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Solution

The fourth proportional to 5,289.25, 7,299.18 and 2,931.34 is: 4,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.25 : 7,299.18 = 2,931.34 : x
  2. Step 2: Convert to fraction form
    5,289.25/7,299.18 = 2,931.34/x
  3. Step 3: Cross multiply
    5,289.25x = 7,299.18 × 2,931.34
  4. Step 4: Simplify right side
    5,289.25x = 21,396,378.30
  5. Step 5: Solve for x
    x = 21,396,378.30/5,289.25
  6. Step 6: Final answer
    x = 4,045.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.