Home / 4,808.64-7,221.18-2,970.66

Finding the Fourth Proportional to 4,808.64, 7,221.18 and 2,970.66

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Solution

The fourth proportional to 4,808.64, 7,221.18 and 2,970.66 is: 4,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.64 : 7,221.18 = 2,970.66 : x
  2. Step 2: Convert to fraction form
    4,808.64/7,221.18 = 2,970.66/x
  3. Step 3: Cross multiply
    4,808.64x = 7,221.18 × 2,970.66
  4. Step 4: Simplify right side
    4,808.64x = 21,451,670.58
  5. Step 5: Solve for x
    x = 21,451,670.58/4,808.64
  6. Step 6: Final answer
    x = 4,461.07

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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.