Home / 5,057.19-6,980.04-3,285.72

Finding the Fourth Proportional to 5,057.19, 6,980.04 and 3,285.72

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Solution

The fourth proportional to 5,057.19, 6,980.04 and 3,285.72 is: 4,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.19 : 6,980.04 = 3,285.72 : x
  2. Step 2: Convert to fraction form
    5,057.19/6,980.04 = 3,285.72/x
  3. Step 3: Cross multiply
    5,057.19x = 6,980.04 × 3,285.72
  4. Step 4: Simplify right side
    5,057.19x = 22,934,457.03
  5. Step 5: Solve for x
    x = 22,934,457.03/5,057.19
  6. Step 6: Final answer
    x = 4,535.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.