Home / 7,567.13-10,442.05-4,209.75

Finding the Fourth Proportional to 7,567.13, 10,442.05 and 4,209.75

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Solution

The fourth proportional to 7,567.13, 10,442.05 and 4,209.75 is: 5,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.13 : 10,442.05 = 4,209.75 : x
  2. Step 2: Convert to fraction form
    7,567.13/10,442.05 = 4,209.75/x
  3. Step 3: Cross multiply
    7,567.13x = 10,442.05 × 4,209.75
  4. Step 4: Simplify right side
    7,567.13x = 43,958,409.46
  5. Step 5: Solve for x
    x = 43,958,409.46/7,567.13
  6. Step 6: Final answer
    x = 5,809.12

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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.