Home / 5,815.40-8,024.85-3,457.10

Finding the Fourth Proportional to 5,815.40, 8,024.85 and 3,457.10

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Solution

The fourth proportional to 5,815.40, 8,024.85 and 3,457.10 is: 4,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.40 : 8,024.85 = 3,457.10 : x
  2. Step 2: Convert to fraction form
    5,815.40/8,024.85 = 3,457.10/x
  3. Step 3: Cross multiply
    5,815.40x = 8,024.85 × 3,457.10
  4. Step 4: Simplify right side
    5,815.40x = 27,742,708.94
  5. Step 5: Solve for x
    x = 27,742,708.94/5,815.40
  6. Step 6: Final answer
    x = 4,770.56

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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.