Home / 9,028.45-12,458.77-5,670.19

Finding the Fourth Proportional to 9,028.45, 12,458.77 and 5,670.19

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Solution

The fourth proportional to 9,028.45, 12,458.77 and 5,670.19 is: 7,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.45 : 12,458.77 = 5,670.19 : x
  2. Step 2: Convert to fraction form
    9,028.45/12,458.77 = 5,670.19/x
  3. Step 3: Cross multiply
    9,028.45x = 12,458.77 × 5,670.19
  4. Step 4: Simplify right side
    9,028.45x = 70,643,593.07
  5. Step 5: Solve for x
    x = 70,643,593.07/9,028.45
  6. Step 6: Final answer
    x = 7,824.55

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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.