Home / 5,430.28-7,487.22-4,589.50

Finding the Fourth Proportional to 5,430.28, 7,487.22 and 4,589.50

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Solution

The fourth proportional to 5,430.28, 7,487.22 and 4,589.50 is: 6,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.28 : 7,487.22 = 4,589.50 : x
  2. Step 2: Convert to fraction form
    5,430.28/7,487.22 = 4,589.50/x
  3. Step 3: Cross multiply
    5,430.28x = 7,487.22 × 4,589.50
  4. Step 4: Simplify right side
    5,430.28x = 34,362,596.19
  5. Step 5: Solve for x
    x = 34,362,596.19/5,430.28
  6. Step 6: Final answer
    x = 6,327.96

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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.