Home / 7,365.40-10,162.85-4,381.99

Finding the Fourth Proportional to 7,365.40, 10,162.85 and 4,381.99

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Solution

The fourth proportional to 7,365.40, 10,162.85 and 4,381.99 is: 6,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.40 : 10,162.85 = 4,381.99 : x
  2. Step 2: Convert to fraction form
    7,365.40/10,162.85 = 4,381.99/x
  3. Step 3: Cross multiply
    7,365.40x = 10,162.85 × 4,381.99
  4. Step 4: Simplify right side
    7,365.40x = 44,533,507.07
  5. Step 5: Solve for x
    x = 44,533,507.07/7,365.40
  6. Step 6: Final answer
    x = 6,046.31

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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.