Home / 5,475.96-8,215.16-1,580.06

Finding the Fourth Proportional to 5,475.96, 8,215.16 and 1,580.06

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Solution

The fourth proportional to 5,475.96, 8,215.16 and 1,580.06 is: 2,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.96 : 8,215.16 = 1,580.06 : x
  2. Step 2: Convert to fraction form
    5,475.96/8,215.16 = 1,580.06/x
  3. Step 3: Cross multiply
    5,475.96x = 8,215.16 × 1,580.06
  4. Step 4: Simplify right side
    5,475.96x = 12,980,458.35
  5. Step 5: Solve for x
    x = 12,980,458.35/5,475.96
  6. Step 6: Final answer
    x = 2,370.44

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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.