Home / 9,135.76-13,703.52-5,237.38

Finding the Fourth Proportional to 9,135.76, 13,703.52 and 5,237.38

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Solution

The fourth proportional to 9,135.76, 13,703.52 and 5,237.38 is: 7,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.76 : 13,703.52 = 5,237.38 : x
  2. Step 2: Convert to fraction form
    9,135.76/13,703.52 = 5,237.38/x
  3. Step 3: Cross multiply
    9,135.76x = 13,703.52 × 5,237.38
  4. Step 4: Simplify right side
    9,135.76x = 71,770,541.58
  5. Step 5: Solve for x
    x = 71,770,541.58/9,135.76
  6. Step 6: Final answer
    x = 7,856.00

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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.