Home / 9,265.08-13,888.98-3,420.12

Finding the Fourth Proportional to 9,265.08, 13,888.98 and 3,420.12

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Solution

The fourth proportional to 9,265.08, 13,888.98 and 3,420.12 is: 5,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.08 : 13,888.98 = 3,420.12 : x
  2. Step 2: Convert to fraction form
    9,265.08/13,888.98 = 3,420.12/x
  3. Step 3: Cross multiply
    9,265.08x = 13,888.98 × 3,420.12
  4. Step 4: Simplify right side
    9,265.08x = 47,501,978.28
  5. Step 5: Solve for x
    x = 47,501,978.28/9,265.08
  6. Step 6: Final answer
    x = 5,126.99

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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.