Home / 4,947.26-7,420.10-1,828.74

Finding the Fourth Proportional to 4,947.26, 7,420.10 and 1,828.74

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Solution

The fourth proportional to 4,947.26, 7,420.10 and 1,828.74 is: 2,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.26 : 7,420.10 = 1,828.74 : x
  2. Step 2: Convert to fraction form
    4,947.26/7,420.10 = 1,828.74/x
  3. Step 3: Cross multiply
    4,947.26x = 7,420.10 × 1,828.74
  4. Step 4: Simplify right side
    4,947.26x = 13,569,433.67
  5. Step 5: Solve for x
    x = 13,569,433.67/4,947.26
  6. Step 6: Final answer
    x = 2,742.82

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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.