Home / 5,915.52-8,869.92-2,991.36

Finding the Fourth Proportional to 5,915.52, 8,869.92 and 2,991.36

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Solution

The fourth proportional to 5,915.52, 8,869.92 and 2,991.36 is: 4,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.52 : 8,869.92 = 2,991.36 : x
  2. Step 2: Convert to fraction form
    5,915.52/8,869.92 = 2,991.36/x
  3. Step 3: Cross multiply
    5,915.52x = 8,869.92 × 2,991.36
  4. Step 4: Simplify right side
    5,915.52x = 26,533,123.89
  5. Step 5: Solve for x
    x = 26,533,123.89/5,915.52
  6. Step 6: Final answer
    x = 4,485.34

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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.