Home / 9,139.43-13,710.36-2,565.67

Finding the Fourth Proportional to 9,139.43, 13,710.36 and 2,565.67

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Solution

The fourth proportional to 9,139.43, 13,710.36 and 2,565.67 is: 3,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.43 : 13,710.36 = 2,565.67 : x
  2. Step 2: Convert to fraction form
    9,139.43/13,710.36 = 2,565.67/x
  3. Step 3: Cross multiply
    9,139.43x = 13,710.36 × 2,565.67
  4. Step 4: Simplify right side
    9,139.43x = 35,176,246.51
  5. Step 5: Solve for x
    x = 35,176,246.51/9,139.43
  6. Step 6: Final answer
    x = 3,848.85

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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.