Home / 5,915.80-8,862.90-3,604.60

Finding the Fourth Proportional to 5,915.80, 8,862.90 and 3,604.60

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Solution

The fourth proportional to 5,915.80, 8,862.90 and 3,604.60 is: 5,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.80 : 8,862.90 = 3,604.60 : x
  2. Step 2: Convert to fraction form
    5,915.80/8,862.90 = 3,604.60/x
  3. Step 3: Cross multiply
    5,915.80x = 8,862.90 × 3,604.60
  4. Step 4: Simplify right side
    5,915.80x = 31,947,209.34
  5. Step 5: Solve for x
    x = 31,947,209.34/5,915.80
  6. Step 6: Final answer
    x = 5,400.32

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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.