Home / 5,304.12-7,917.40-4,918.65

Finding the Fourth Proportional to 5,304.12, 7,917.40 and 4,918.65

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Solution

The fourth proportional to 5,304.12, 7,917.40 and 4,918.65 is: 7,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.12 : 7,917.40 = 4,918.65 : x
  2. Step 2: Convert to fraction form
    5,304.12/7,917.40 = 4,918.65/x
  3. Step 3: Cross multiply
    5,304.12x = 7,917.40 × 4,918.65
  4. Step 4: Simplify right side
    5,304.12x = 38,942,919.51
  5. Step 5: Solve for x
    x = 38,942,919.51/5,304.12
  6. Step 6: Final answer
    x = 7,342.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.