Home / 6,913.13-10,366.65-1,981.65

Finding the Fourth Proportional to 6,913.13, 10,366.65 and 1,981.65

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Solution

The fourth proportional to 6,913.13, 10,366.65 and 1,981.65 is: 2,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.13 : 10,366.65 = 1,981.65 : x
  2. Step 2: Convert to fraction form
    6,913.13/10,366.65 = 1,981.65/x
  3. Step 3: Cross multiply
    6,913.13x = 10,366.65 × 1,981.65
  4. Step 4: Simplify right side
    6,913.13x = 20,543,071.97
  5. Step 5: Solve for x
    x = 20,543,071.97/6,913.13
  6. Step 6: Final answer
    x = 2,971.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.