Home / 7,840.29-10,817.68-4,437.36

Finding the Fourth Proportional to 7,840.29, 10,817.68 and 4,437.36

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Solution

The fourth proportional to 7,840.29, 10,817.68 and 4,437.36 is: 6,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.29 : 10,817.68 = 4,437.36 : x
  2. Step 2: Convert to fraction form
    7,840.29/10,817.68 = 4,437.36/x
  3. Step 3: Cross multiply
    7,840.29x = 10,817.68 × 4,437.36
  4. Step 4: Simplify right side
    7,840.29x = 48,001,940.52
  5. Step 5: Solve for x
    x = 48,001,940.52/7,840.29
  6. Step 6: Final answer
    x = 6,122.47

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1.5x scale

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.