Home / 5,624.56-8,430.50-3,428.47

Finding the Fourth Proportional to 5,624.56, 8,430.50 and 3,428.47

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Solution

The fourth proportional to 5,624.56, 8,430.50 and 3,428.47 is: 5,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.56 : 8,430.50 = 3,428.47 : x
  2. Step 2: Convert to fraction form
    5,624.56/8,430.50 = 3,428.47/x
  3. Step 3: Cross multiply
    5,624.56x = 8,430.50 × 3,428.47
  4. Step 4: Simplify right side
    5,624.56x = 28,903,699.19
  5. Step 5: Solve for x
    x = 28,903,699.19/5,624.56
  6. Step 6: Final answer
    x = 5,138.84

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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.