Home / 6,670.00-9,203.81-3,980.72

Finding the Fourth Proportional to 6,670.00, 9,203.81 and 3,980.72

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Solution

The fourth proportional to 6,670.00, 9,203.81 and 3,980.72 is: 5,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.00 : 9,203.81 = 3,980.72 : x
  2. Step 2: Convert to fraction form
    6,670.00/9,203.81 = 3,980.72/x
  3. Step 3: Cross multiply
    6,670.00x = 9,203.81 × 3,980.72
  4. Step 4: Simplify right side
    6,670.00x = 36,637,759.13
  5. Step 5: Solve for x
    x = 36,637,759.13/6,670.00
  6. Step 6: Final answer
    x = 5,492.92

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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.