Home / 4,708.32-7,062.54-1,421.22

Finding the Fourth Proportional to 4,708.32, 7,062.54 and 1,421.22

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Solution

The fourth proportional to 4,708.32, 7,062.54 and 1,421.22 is: 2,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.32 : 7,062.54 = 1,421.22 : x
  2. Step 2: Convert to fraction form
    4,708.32/7,062.54 = 1,421.22/x
  3. Step 3: Cross multiply
    4,708.32x = 7,062.54 × 1,421.22
  4. Step 4: Simplify right side
    4,708.32x = 10,037,423.10
  5. Step 5: Solve for x
    x = 10,037,423.10/4,708.32
  6. Step 6: Final answer
    x = 2,131.85

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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.