Home / 6,984.32-10,427.68-6,006.40

Finding the Fourth Proportional to 6,984.32, 10,427.68 and 6,006.40

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Solution

The fourth proportional to 6,984.32, 10,427.68 and 6,006.40 is: 8,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.32 : 10,427.68 = 6,006.40 : x
  2. Step 2: Convert to fraction form
    6,984.32/10,427.68 = 6,006.40/x
  3. Step 3: Cross multiply
    6,984.32x = 10,427.68 × 6,006.40
  4. Step 4: Simplify right side
    6,984.32x = 62,632,817.15
  5. Step 5: Solve for x
    x = 62,632,817.15/6,984.32
  6. Step 6: Final answer
    x = 8,967.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.