Home / 4,810.01-7,212.32-1,689.15

Finding the Fourth Proportional to 4,810.01, 7,212.32 and 1,689.15

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Solution

The fourth proportional to 4,810.01, 7,212.32 and 1,689.15 is: 2,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.01 : 7,212.32 = 1,689.15 : x
  2. Step 2: Convert to fraction form
    4,810.01/7,212.32 = 1,689.15/x
  3. Step 3: Cross multiply
    4,810.01x = 7,212.32 × 1,689.15
  4. Step 4: Simplify right side
    4,810.01x = 12,182,681.88
  5. Step 5: Solve for x
    x = 12,182,681.88/4,810.01
  6. Step 6: Final answer
    x = 2,532.78

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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.