Home / 7,919.61-10,927.91-4,382.81

Finding the Fourth Proportional to 7,919.61, 10,927.91 and 4,382.81

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Solution

The fourth proportional to 7,919.61, 10,927.91 and 4,382.81 is: 6,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.61 : 10,927.91 = 4,382.81 : x
  2. Step 2: Convert to fraction form
    7,919.61/10,927.91 = 4,382.81/x
  3. Step 3: Cross multiply
    7,919.61x = 10,927.91 × 4,382.81
  4. Step 4: Simplify right side
    7,919.61x = 47,894,950.52
  5. Step 5: Solve for x
    x = 47,894,950.52/7,919.61
  6. Step 6: Final answer
    x = 6,047.64

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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.