Home / 8,921.32-12,298.60-6,260.48

Finding the Fourth Proportional to 8,921.32, 12,298.60 and 6,260.48

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Solution

The fourth proportional to 8,921.32, 12,298.60 and 6,260.48 is: 8,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.32 : 12,298.60 = 6,260.48 : x
  2. Step 2: Convert to fraction form
    8,921.32/12,298.60 = 6,260.48/x
  3. Step 3: Cross multiply
    8,921.32x = 12,298.60 × 6,260.48
  4. Step 4: Simplify right side
    8,921.32x = 76,995,139.33
  5. Step 5: Solve for x
    x = 76,995,139.33/8,921.32
  6. Step 6: Final answer
    x = 8,630.46

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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.