Home / 5,210.60-7,815.90-2,288.93

Finding the Fourth Proportional to 5,210.60, 7,815.90 and 2,288.93

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Solution

The fourth proportional to 5,210.60, 7,815.90 and 2,288.93 is: 3,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.60 : 7,815.90 = 2,288.93 : x
  2. Step 2: Convert to fraction form
    5,210.60/7,815.90 = 2,288.93/x
  3. Step 3: Cross multiply
    5,210.60x = 7,815.90 × 2,288.93
  4. Step 4: Simplify right side
    5,210.60x = 17,890,047.99
  5. Step 5: Solve for x
    x = 17,890,047.99/5,210.60
  6. Step 6: Final answer
    x = 3,433.40

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Similar ratio
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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.