Home / 9,357.75-12,913.73-5,166

Finding the Fourth Proportional to 9,357.75, 12,913.73 and 5,166

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Solution

The fourth proportional to 9,357.75, 12,913.73 and 5,166 is: 7,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357.75 : 12,913.73 = 5,166 : x
  2. Step 2: Convert to fraction form
    9,357.75/12,913.73 = 5,166/x
  3. Step 3: Cross multiply
    9,357.75x = 12,913.73 × 5,166
  4. Step 4: Simplify right side
    9,357.75x = 66,712,303.35
  5. Step 5: Solve for x
    x = 66,712,303.35/9,357.75
  6. Step 6: Final answer
    x = 7,129.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.