Home / 5,345.30-8,015.55-2,057.30

Finding the Fourth Proportional to 5,345.30, 8,015.55 and 2,057.30

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Solution

The fourth proportional to 5,345.30, 8,015.55 and 2,057.30 is: 3,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.30 : 8,015.55 = 2,057.30 : x
  2. Step 2: Convert to fraction form
    5,345.30/8,015.55 = 2,057.30/x
  3. Step 3: Cross multiply
    5,345.30x = 8,015.55 × 2,057.30
  4. Step 4: Simplify right side
    5,345.30x = 16,490,391.02
  5. Step 5: Solve for x
    x = 16,490,391.02/5,345.30
  6. Step 6: Final answer
    x = 3,085.03

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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.