Home / 4,856.80-7,287.34-2,547.76

Finding the Fourth Proportional to 4,856.80, 7,287.34 and 2,547.76

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Solution

The fourth proportional to 4,856.80, 7,287.34 and 2,547.76 is: 3,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.80 : 7,287.34 = 2,547.76 : x
  2. Step 2: Convert to fraction form
    4,856.80/7,287.34 = 2,547.76/x
  3. Step 3: Cross multiply
    4,856.80x = 7,287.34 × 2,547.76
  4. Step 4: Simplify right side
    4,856.80x = 18,566,393.36
  5. Step 5: Solve for x
    x = 18,566,393.36/4,856.80
  6. Step 6: Final answer
    x = 3,822.76

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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.