Home / 4,981.08-6,869.94-4,645.74

Finding the Fourth Proportional to 4,981.08, 6,869.94 and 4,645.74

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Solution

The fourth proportional to 4,981.08, 6,869.94 and 4,645.74 is: 6,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.08 : 6,869.94 = 4,645.74 : x
  2. Step 2: Convert to fraction form
    4,981.08/6,869.94 = 4,645.74/x
  3. Step 3: Cross multiply
    4,981.08x = 6,869.94 × 4,645.74
  4. Step 4: Simplify right side
    4,981.08x = 31,915,955.06
  5. Step 5: Solve for x
    x = 31,915,955.06/4,981.08
  6. Step 6: Final answer
    x = 6,407.44

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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.