Home / 5,677.04-7,832.16-4,188.50

Finding the Fourth Proportional to 5,677.04, 7,832.16 and 4,188.50

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Solution

The fourth proportional to 5,677.04, 7,832.16 and 4,188.50 is: 5,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.04 : 7,832.16 = 4,188.50 : x
  2. Step 2: Convert to fraction form
    5,677.04/7,832.16 = 4,188.50/x
  3. Step 3: Cross multiply
    5,677.04x = 7,832.16 × 4,188.50
  4. Step 4: Simplify right side
    5,677.04x = 32,805,002.16
  5. Step 5: Solve for x
    x = 32,805,002.16/5,677.04
  6. Step 6: Final answer
    x = 5,778.54

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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.