Home / 4,313.12-6,455.10-2,670.80

Finding the Fourth Proportional to 4,313.12, 6,455.10 and 2,670.80

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Solution

The fourth proportional to 4,313.12, 6,455.10 and 2,670.80 is: 3,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.12 : 6,455.10 = 2,670.80 : x
  2. Step 2: Convert to fraction form
    4,313.12/6,455.10 = 2,670.80/x
  3. Step 3: Cross multiply
    4,313.12x = 6,455.10 × 2,670.80
  4. Step 4: Simplify right side
    4,313.12x = 17,240,281.08
  5. Step 5: Solve for x
    x = 17,240,281.08/4,313.12
  6. Step 6: Final answer
    x = 3,997.17

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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.