Home / 5,155.58-7,730.78-2,523.29

Finding the Fourth Proportional to 5,155.58, 7,730.78 and 2,523.29

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Solution

The fourth proportional to 5,155.58, 7,730.78 and 2,523.29 is: 3,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.58 : 7,730.78 = 2,523.29 : x
  2. Step 2: Convert to fraction form
    5,155.58/7,730.78 = 2,523.29/x
  3. Step 3: Cross multiply
    5,155.58x = 7,730.78 × 2,523.29
  4. Step 4: Simplify right side
    5,155.58x = 19,506,948.60
  5. Step 5: Solve for x
    x = 19,506,948.60/5,155.58
  6. Step 6: Final answer
    x = 3,783.66

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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.