Home / 5,157.03-7,122.50-3,485.34

Finding the Fourth Proportional to 5,157.03, 7,122.50 and 3,485.34

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Solution

The fourth proportional to 5,157.03, 7,122.50 and 3,485.34 is: 4,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.03 : 7,122.50 = 3,485.34 : x
  2. Step 2: Convert to fraction form
    5,157.03/7,122.50 = 3,485.34/x
  3. Step 3: Cross multiply
    5,157.03x = 7,122.50 × 3,485.34
  4. Step 4: Simplify right side
    5,157.03x = 24,824,281.11
  5. Step 5: Solve for x
    x = 24,824,281.11/5,157.03
  6. Step 6: Final answer
    x = 4,813.68

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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.