Home / 5,088.95-7,633.49-1,391.53

Finding the Fourth Proportional to 5,088.95, 7,633.49 and 1,391.53

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Solution

The fourth proportional to 5,088.95, 7,633.49 and 1,391.53 is: 2,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.95 : 7,633.49 = 1,391.53 : x
  2. Step 2: Convert to fraction form
    5,088.95/7,633.49 = 1,391.53/x
  3. Step 3: Cross multiply
    5,088.95x = 7,633.49 × 1,391.53
  4. Step 4: Simplify right side
    5,088.95x = 10,622,230.34
  5. Step 5: Solve for x
    x = 10,622,230.34/5,088.95
  6. Step 6: Final answer
    x = 2,087.31

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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.