Home / 7,087.17-10,629.90-1,893.45

Finding the Fourth Proportional to 7,087.17, 10,629.90 and 1,893.45

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Solution

The fourth proportional to 7,087.17, 10,629.90 and 1,893.45 is: 2,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.17 : 10,629.90 = 1,893.45 : x
  2. Step 2: Convert to fraction form
    7,087.17/10,629.90 = 1,893.45/x
  3. Step 3: Cross multiply
    7,087.17x = 10,629.90 × 1,893.45
  4. Step 4: Simplify right side
    7,087.17x = 20,127,184.16
  5. Step 5: Solve for x
    x = 20,127,184.16/7,087.17
  6. Step 6: Final answer
    x = 2,839.95

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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.