Home / 7,892.24-10,890.12-4,355.60

Finding the Fourth Proportional to 7,892.24, 10,890.12 and 4,355.60

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Solution

The fourth proportional to 7,892.24, 10,890.12 and 4,355.60 is: 6,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.24 : 10,890.12 = 4,355.60 : x
  2. Step 2: Convert to fraction form
    7,892.24/10,890.12 = 4,355.60/x
  3. Step 3: Cross multiply
    7,892.24x = 10,890.12 × 4,355.60
  4. Step 4: Simplify right side
    7,892.24x = 47,433,006.67
  5. Step 5: Solve for x
    x = 47,433,006.67/7,892.24
  6. Step 6: Final answer
    x = 6,010.08

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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.