Home / 7,547.45-11,329.37-6,382.87

Finding the Fourth Proportional to 7,547.45, 11,329.37 and 6,382.87

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Solution

The fourth proportional to 7,547.45, 11,329.37 and 6,382.87 is: 9,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.45 : 11,329.37 = 6,382.87 : x
  2. Step 2: Convert to fraction form
    7,547.45/11,329.37 = 6,382.87/x
  3. Step 3: Cross multiply
    7,547.45x = 11,329.37 × 6,382.87
  4. Step 4: Simplify right side
    7,547.45x = 72,313,959.22
  5. Step 5: Solve for x
    x = 72,313,959.22/7,547.45
  6. Step 6: Final answer
    x = 9,581.24

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1.5x scale

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.