Home / 7,567.05-10,438.61-4,421.42

Finding the Fourth Proportional to 7,567.05, 10,438.61 and 4,421.42

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Solution

The fourth proportional to 7,567.05, 10,438.61 and 4,421.42 is: 6,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.05 : 10,438.61 = 4,421.42 : x
  2. Step 2: Convert to fraction form
    7,567.05/10,438.61 = 4,421.42/x
  3. Step 3: Cross multiply
    7,567.05x = 10,438.61 × 4,421.42
  4. Step 4: Simplify right side
    7,567.05x = 46,153,404.73
  5. Step 5: Solve for x
    x = 46,153,404.73/7,567.05
  6. Step 6: Final answer
    x = 6,099.26

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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.