Home / 4,424.16-6,636.24-1,958.40

Finding the Fourth Proportional to 4,424.16, 6,636.24 and 1,958.40

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Solution

The fourth proportional to 4,424.16, 6,636.24 and 1,958.40 is: 2,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.16 : 6,636.24 = 1,958.40 : x
  2. Step 2: Convert to fraction form
    4,424.16/6,636.24 = 1,958.40/x
  3. Step 3: Cross multiply
    4,424.16x = 6,636.24 × 1,958.40
  4. Step 4: Simplify right side
    4,424.16x = 12,996,412.42
  5. Step 5: Solve for x
    x = 12,996,412.42/4,424.16
  6. Step 6: Final answer
    x = 2,937.60

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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.