Home / 7,388.89-10,193.45-4,867.77

Finding the Fourth Proportional to 7,388.89, 10,193.45 and 4,867.77

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Solution

The fourth proportional to 7,388.89, 10,193.45 and 4,867.77 is: 6,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.89 : 10,193.45 = 4,867.77 : x
  2. Step 2: Convert to fraction form
    7,388.89/10,193.45 = 4,867.77/x
  3. Step 3: Cross multiply
    7,388.89x = 10,193.45 × 4,867.77
  4. Step 4: Simplify right side
    7,388.89x = 49,619,370.11
  5. Step 5: Solve for x
    x = 49,619,370.11/7,388.89
  6. Step 6: Final answer
    x = 6,715.40

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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.