Home / 7,421.43-10,241.10-4,437.32

Finding the Fourth Proportional to 7,421.43, 10,241.10 and 4,437.32

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Solution

The fourth proportional to 7,421.43, 10,241.10 and 4,437.32 is: 6,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.43 : 10,241.10 = 4,437.32 : x
  2. Step 2: Convert to fraction form
    7,421.43/10,241.10 = 4,437.32/x
  3. Step 3: Cross multiply
    7,421.43x = 10,241.10 × 4,437.32
  4. Step 4: Simplify right side
    7,421.43x = 45,442,986.65
  5. Step 5: Solve for x
    x = 45,442,986.65/7,421.43
  6. Step 6: Final answer
    x = 6,123.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.