Home / 7,924.29-10,935.45-4,387.47

Finding the Fourth Proportional to 7,924.29, 10,935.45 and 4,387.47

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Solution

The fourth proportional to 7,924.29, 10,935.45 and 4,387.47 is: 6,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.29 : 10,935.45 = 4,387.47 : x
  2. Step 2: Convert to fraction form
    7,924.29/10,935.45 = 4,387.47/x
  3. Step 3: Cross multiply
    7,924.29x = 10,935.45 × 4,387.47
  4. Step 4: Simplify right side
    7,924.29x = 47,978,958.81
  5. Step 5: Solve for x
    x = 47,978,958.81/7,924.29
  6. Step 6: Final answer
    x = 6,054.67

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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.