Home / 5,604.70-8,403.69-2,315.86

Finding the Fourth Proportional to 5,604.70, 8,403.69 and 2,315.86

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Solution

The fourth proportional to 5,604.70, 8,403.69 and 2,315.86 is: 3,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.70 : 8,403.69 = 2,315.86 : x
  2. Step 2: Convert to fraction form
    5,604.70/8,403.69 = 2,315.86/x
  3. Step 3: Cross multiply
    5,604.70x = 8,403.69 × 2,315.86
  4. Step 4: Simplify right side
    5,604.70x = 19,461,769.52
  5. Step 5: Solve for x
    x = 19,461,769.52/5,604.70
  6. Step 6: Final answer
    x = 3,472.40

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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.