Home / 5,485.08-8,189.74-4,703.88

Finding the Fourth Proportional to 5,485.08, 8,189.74 and 4,703.88

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Solution

The fourth proportional to 5,485.08, 8,189.74 and 4,703.88 is: 7,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.08 : 8,189.74 = 4,703.88 : x
  2. Step 2: Convert to fraction form
    5,485.08/8,189.74 = 4,703.88/x
  3. Step 3: Cross multiply
    5,485.08x = 8,189.74 × 4,703.88
  4. Step 4: Simplify right side
    5,485.08x = 38,523,554.19
  5. Step 5: Solve for x
    x = 38,523,554.19/5,485.08
  6. Step 6: Final answer
    x = 7,023.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.