Home / 6,890.76-10,336.14-5,370.12

Finding the Fourth Proportional to 6,890.76, 10,336.14 and 5,370.12

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Solution

The fourth proportional to 6,890.76, 10,336.14 and 5,370.12 is: 8,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.76 : 10,336.14 = 5,370.12 : x
  2. Step 2: Convert to fraction form
    6,890.76/10,336.14 = 5,370.12/x
  3. Step 3: Cross multiply
    6,890.76x = 10,336.14 × 5,370.12
  4. Step 4: Simplify right side
    6,890.76x = 55,506,312.14
  5. Step 5: Solve for x
    x = 55,506,312.14/6,890.76
  6. Step 6: Final answer
    x = 8,055.18

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Similar ratio
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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.