Home / 5,605.35-8,400.83-2,320.71

Finding the Fourth Proportional to 5,605.35, 8,400.83 and 2,320.71

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Solution

The fourth proportional to 5,605.35, 8,400.83 and 2,320.71 is: 3,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.35 : 8,400.83 = 2,320.71 : x
  2. Step 2: Convert to fraction form
    5,605.35/8,400.83 = 2,320.71/x
  3. Step 3: Cross multiply
    5,605.35x = 8,400.83 × 2,320.71
  4. Step 4: Simplify right side
    5,605.35x = 19,495,878.59
  5. Step 5: Solve for x
    x = 19,495,878.59/5,605.35
  6. Step 6: Final answer
    x = 3,478.08

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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.