Home / 5,345.32-7,376.04-3,107.17

Finding the Fourth Proportional to 5,345.32, 7,376.04 and 3,107.17

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Solution

The fourth proportional to 5,345.32, 7,376.04 and 3,107.17 is: 4,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.32 : 7,376.04 = 3,107.17 : x
  2. Step 2: Convert to fraction form
    5,345.32/7,376.04 = 3,107.17/x
  3. Step 3: Cross multiply
    5,345.32x = 7,376.04 × 3,107.17
  4. Step 4: Simplify right side
    5,345.32x = 22,918,610.21
  5. Step 5: Solve for x
    x = 22,918,610.21/5,345.32
  6. Step 6: Final answer
    x = 4,287.60

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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.