Home / 5,237.60-7,854.30-2,117.00

Finding the Fourth Proportional to 5,237.60, 7,854.30 and 2,117.00

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Solution

The fourth proportional to 5,237.60, 7,854.30 and 2,117.00 is: 3,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.60 : 7,854.30 = 2,117.00 : x
  2. Step 2: Convert to fraction form
    5,237.60/7,854.30 = 2,117.00/x
  3. Step 3: Cross multiply
    5,237.60x = 7,854.30 × 2,117.00
  4. Step 4: Simplify right side
    5,237.60x = 16,627,572.74
  5. Step 5: Solve for x
    x = 16,627,572.74/5,237.60
  6. Step 6: Final answer
    x = 3,174.66

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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.