Home / 7,547.85-11,322.79-3,164.27

Finding the Fourth Proportional to 7,547.85, 11,322.79 and 3,164.27

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Solution

The fourth proportional to 7,547.85, 11,322.79 and 3,164.27 is: 4,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.85 : 11,322.79 = 3,164.27 : x
  2. Step 2: Convert to fraction form
    7,547.85/11,322.79 = 3,164.27/x
  3. Step 3: Cross multiply
    7,547.85x = 11,322.79 × 3,164.27
  4. Step 4: Simplify right side
    7,547.85x = 35,828,300.19
  5. Step 5: Solve for x
    x = 35,828,300.19/7,547.85
  6. Step 6: Final answer
    x = 4,746.82

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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.