Home / 5,237.83-7,856.81-1,342.13

Finding the Fourth Proportional to 5,237.83, 7,856.81 and 1,342.13

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Solution

The fourth proportional to 5,237.83, 7,856.81 and 1,342.13 is: 2,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.83 : 7,856.81 = 1,342.13 : x
  2. Step 2: Convert to fraction form
    5,237.83/7,856.81 = 1,342.13/x
  3. Step 3: Cross multiply
    5,237.83x = 7,856.81 × 1,342.13
  4. Step 4: Simplify right side
    5,237.83x = 10,544,853.69
  5. Step 5: Solve for x
    x = 10,544,853.69/5,237.83
  6. Step 6: Final answer
    x = 2,013.21

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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.