Home / 6,865.66-10,312.28-4,097.74

Finding the Fourth Proportional to 6,865.66, 10,312.28 and 4,097.74

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Solution

The fourth proportional to 6,865.66, 10,312.28 and 4,097.74 is: 6,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.66 : 10,312.28 = 4,097.74 : x
  2. Step 2: Convert to fraction form
    6,865.66/10,312.28 = 4,097.74/x
  3. Step 3: Cross multiply
    6,865.66x = 10,312.28 × 4,097.74
  4. Step 4: Simplify right side
    6,865.66x = 42,257,042.25
  5. Step 5: Solve for x
    x = 42,257,042.25/6,865.66
  6. Step 6: Final answer
    x = 6,154.84

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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.