Home / 9,539.02-13,163.48-5,290.25

Finding the Fourth Proportional to 9,539.02, 13,163.48 and 5,290.25

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Solution

The fourth proportional to 9,539.02, 13,163.48 and 5,290.25 is: 7,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.02 : 13,163.48 = 5,290.25 : x
  2. Step 2: Convert to fraction form
    9,539.02/13,163.48 = 5,290.25/x
  3. Step 3: Cross multiply
    9,539.02x = 13,163.48 × 5,290.25
  4. Step 4: Simplify right side
    9,539.02x = 69,638,119.75
  5. Step 5: Solve for x
    x = 69,638,119.75/9,539.02
  6. Step 6: Final answer
    x = 7,300.35

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Double scale
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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.