Home / 4,809.48-7,214.28-1,689.36

Finding the Fourth Proportional to 4,809.48, 7,214.28 and 1,689.36

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Solution

The fourth proportional to 4,809.48, 7,214.28 and 1,689.36 is: 2,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.48 : 7,214.28 = 1,689.36 : x
  2. Step 2: Convert to fraction form
    4,809.48/7,214.28 = 1,689.36/x
  3. Step 3: Cross multiply
    4,809.48x = 7,214.28 × 1,689.36
  4. Step 4: Simplify right side
    4,809.48x = 12,187,516.06
  5. Step 5: Solve for x
    x = 12,187,516.06/4,809.48
  6. Step 6: Final answer
    x = 2,534.06

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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.