Home / 5,921.40-8,162.88-4,660.08

Finding the Fourth Proportional to 5,921.40, 8,162.88 and 4,660.08

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Solution

The fourth proportional to 5,921.40, 8,162.88 and 4,660.08 is: 6,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.40 : 8,162.88 = 4,660.08 : x
  2. Step 2: Convert to fraction form
    5,921.40/8,162.88 = 4,660.08/x
  3. Step 3: Cross multiply
    5,921.40x = 8,162.88 × 4,660.08
  4. Step 4: Simplify right side
    5,921.40x = 38,039,673.83
  5. Step 5: Solve for x
    x = 38,039,673.83/5,921.40
  6. Step 6: Final answer
    x = 6,424.10

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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.