Home / 5,031.86-7,547.94-2,399.65

Finding the Fourth Proportional to 5,031.86, 7,547.94 and 2,399.65

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Solution

The fourth proportional to 5,031.86, 7,547.94 and 2,399.65 is: 3,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.86 : 7,547.94 = 2,399.65 : x
  2. Step 2: Convert to fraction form
    5,031.86/7,547.94 = 2,399.65/x
  3. Step 3: Cross multiply
    5,031.86x = 7,547.94 × 2,399.65
  4. Step 4: Simplify right side
    5,031.86x = 18,112,414.22
  5. Step 5: Solve for x
    x = 18,112,414.22/5,031.86
  6. Step 6: Final answer
    x = 3,599.55

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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.