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Finding the Fourth Proportional to 6,959.66, 10,440.89 and 6,262.55

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Solution

The fourth proportional to 6,959.66, 10,440.89 and 6,262.55 is: 9,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.66 : 10,440.89 = 6,262.55 : x
  2. Step 2: Convert to fraction form
    6,959.66/10,440.89 = 6,262.55/x
  3. Step 3: Cross multiply
    6,959.66x = 10,440.89 × 6,262.55
  4. Step 4: Simplify right side
    6,959.66x = 65,386,590.46
  5. Step 5: Solve for x
    x = 65,386,590.46/6,959.66
  6. Step 6: Final answer
    x = 9,395.08

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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.