Home / 7,926.40-10,935-4,780.84

Finding the Fourth Proportional to 7,926.40, 10,935 and 4,780.84

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Solution

The fourth proportional to 7,926.40, 10,935 and 4,780.84 is: 6,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.40 : 10,935 = 4,780.84 : x
  2. Step 2: Convert to fraction form
    7,926.40/10,935 = 4,780.84/x
  3. Step 3: Cross multiply
    7,926.40x = 10,935 × 4,780.84
  4. Step 4: Simplify right side
    7,926.40x = 52,278,485.40
  5. Step 5: Solve for x
    x = 52,278,485.40/7,926.40
  6. Step 6: Final answer
    x = 6,595.49

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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.