Home / 5,288.85-7,299.05-2,931.75

Finding the Fourth Proportional to 5,288.85, 7,299.05 and 2,931.75

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Solution

The fourth proportional to 5,288.85, 7,299.05 and 2,931.75 is: 4,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.85 : 7,299.05 = 2,931.75 : x
  2. Step 2: Convert to fraction form
    5,288.85/7,299.05 = 2,931.75/x
  3. Step 3: Cross multiply
    5,288.85x = 7,299.05 × 2,931.75
  4. Step 4: Simplify right side
    5,288.85x = 21,398,975.18
  5. Step 5: Solve for x
    x = 21,398,975.18/5,288.85
  6. Step 6: Final answer
    x = 4,046.05

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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.