Home / 5,606.10-8,409.78-2,318.76

Finding the Fourth Proportional to 5,606.10, 8,409.78 and 2,318.76

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Solution

The fourth proportional to 5,606.10, 8,409.78 and 2,318.76 is: 3,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.10 : 8,409.78 = 2,318.76 : x
  2. Step 2: Convert to fraction form
    5,606.10/8,409.78 = 2,318.76/x
  3. Step 3: Cross multiply
    5,606.10x = 8,409.78 × 2,318.76
  4. Step 4: Simplify right side
    5,606.10x = 19,500,261.47
  5. Step 5: Solve for x
    x = 19,500,261.47/5,606.10
  6. Step 6: Final answer
    x = 3,478.40

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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.