Home / 5,037.80-7,547.18-2,839.86

Finding the Fourth Proportional to 5,037.80, 7,547.18 and 2,839.86

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Solution

The fourth proportional to 5,037.80, 7,547.18 and 2,839.86 is: 4,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.80 : 7,547.18 = 2,839.86 : x
  2. Step 2: Convert to fraction form
    5,037.80/7,547.18 = 2,839.86/x
  3. Step 3: Cross multiply
    5,037.80x = 7,547.18 × 2,839.86
  4. Step 4: Simplify right side
    5,037.80x = 21,432,920.40
  5. Step 5: Solve for x
    x = 21,432,920.40/5,037.80
  6. Step 6: Final answer
    x = 4,254.42

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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.