Home / 7,925.58-10,936.59-4,387.86

Finding the Fourth Proportional to 7,925.58, 10,936.59 and 4,387.86

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Solution

The fourth proportional to 7,925.58, 10,936.59 and 4,387.86 is: 6,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.58 : 10,936.59 = 4,387.86 : x
  2. Step 2: Convert to fraction form
    7,925.58/10,936.59 = 4,387.86/x
  3. Step 3: Cross multiply
    7,925.58x = 10,936.59 × 4,387.86
  4. Step 4: Simplify right side
    7,925.58x = 47,988,225.80
  5. Step 5: Solve for x
    x = 47,988,225.80/7,925.58
  6. Step 6: Final answer
    x = 6,054.85

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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.