Home / 5,430.17-8,143.65-2,310.14

Finding the Fourth Proportional to 5,430.17, 8,143.65 and 2,310.14

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Solution

The fourth proportional to 5,430.17, 8,143.65 and 2,310.14 is: 3,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.17 : 8,143.65 = 2,310.14 : x
  2. Step 2: Convert to fraction form
    5,430.17/8,143.65 = 2,310.14/x
  3. Step 3: Cross multiply
    5,430.17x = 8,143.65 × 2,310.14
  4. Step 4: Simplify right side
    5,430.17x = 18,812,930.89
  5. Step 5: Solve for x
    x = 18,812,930.89/5,430.17
  6. Step 6: Final answer
    x = 3,464.52

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1.5x scale

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.