Home / 6,870.59-10,305.77-2,190.54

Finding the Fourth Proportional to 6,870.59, 10,305.77 and 2,190.54

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Solution

The fourth proportional to 6,870.59, 10,305.77 and 2,190.54 is: 3,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.59 : 10,305.77 = 2,190.54 : x
  2. Step 2: Convert to fraction form
    6,870.59/10,305.77 = 2,190.54/x
  3. Step 3: Cross multiply
    6,870.59x = 10,305.77 × 2,190.54
  4. Step 4: Simplify right side
    6,870.59x = 22,575,190.46
  5. Step 5: Solve for x
    x = 22,575,190.46/6,870.59
  6. Step 6: Final answer
    x = 3,285.77

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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.