Home / 6,986.60-10,458.30-4,056.20

Finding the Fourth Proportional to 6,986.60, 10,458.30 and 4,056.20

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Solution

The fourth proportional to 6,986.60, 10,458.30 and 4,056.20 is: 6,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.60 : 10,458.30 = 4,056.20 : x
  2. Step 2: Convert to fraction form
    6,986.60/10,458.30 = 4,056.20/x
  3. Step 3: Cross multiply
    6,986.60x = 10,458.30 × 4,056.20
  4. Step 4: Simplify right side
    6,986.60x = 42,420,956.46
  5. Step 5: Solve for x
    x = 42,420,956.46/6,986.60
  6. Step 6: Final answer
    x = 6,071.76

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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.