Home / 5,345.29-7,378.59-3,576.25

Finding the Fourth Proportional to 5,345.29, 7,378.59 and 3,576.25

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Solution

The fourth proportional to 5,345.29, 7,378.59 and 3,576.25 is: 4,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.29 : 7,378.59 = 3,576.25 : x
  2. Step 2: Convert to fraction form
    5,345.29/7,378.59 = 3,576.25/x
  3. Step 3: Cross multiply
    5,345.29x = 7,378.59 × 3,576.25
  4. Step 4: Simplify right side
    5,345.29x = 26,387,705.12
  5. Step 5: Solve for x
    x = 26,387,705.12/5,345.29
  6. Step 6: Final answer
    x = 4,936.63

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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.