Home / 5,620.46-8,430.48-1,460.50

Finding the Fourth Proportional to 5,620.46, 8,430.48 and 1,460.50

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Solution

The fourth proportional to 5,620.46, 8,430.48 and 1,460.50 is: 2,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.46 : 8,430.48 = 1,460.50 : x
  2. Step 2: Convert to fraction form
    5,620.46/8,430.48 = 1,460.50/x
  3. Step 3: Cross multiply
    5,620.46x = 8,430.48 × 1,460.50
  4. Step 4: Simplify right side
    5,620.46x = 12,312,694.96
  5. Step 5: Solve for x
    x = 12,312,694.96/5,620.46
  6. Step 6: Final answer
    x = 2,190.69

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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.