Home / 4,276.07-6,403.69-2,421.56

Finding the Fourth Proportional to 4,276.07, 6,403.69 and 2,421.56

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Solution

The fourth proportional to 4,276.07, 6,403.69 and 2,421.56 is: 3,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.07 : 6,403.69 = 2,421.56 : x
  2. Step 2: Convert to fraction form
    4,276.07/6,403.69 = 2,421.56/x
  3. Step 3: Cross multiply
    4,276.07x = 6,403.69 × 2,421.56
  4. Step 4: Simplify right side
    4,276.07x = 15,506,938.59
  5. Step 5: Solve for x
    x = 15,506,938.59/4,276.07
  6. Step 6: Final answer
    x = 3,626.44

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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.