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Finding the Fourth Proportional to 6,585.38, 9,095.18 and 5,111.18

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Solution

The fourth proportional to 6,585.38, 9,095.18 and 5,111.18 is: 7,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.38 : 9,095.18 = 5,111.18 : x
  2. Step 2: Convert to fraction form
    6,585.38/9,095.18 = 5,111.18/x
  3. Step 3: Cross multiply
    6,585.38x = 9,095.18 × 5,111.18
  4. Step 4: Simplify right side
    6,585.38x = 46,487,031.08
  5. Step 5: Solve for x
    x = 46,487,031.08/6,585.38
  6. Step 6: Final answer
    x = 7,059.13

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Half scale
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Double scale
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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.