Home / 9,285.47-13,928.63-2,712.22

Finding the Fourth Proportional to 9,285.47, 13,928.63 and 2,712.22

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Solution

The fourth proportional to 9,285.47, 13,928.63 and 2,712.22 is: 4,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.47 : 13,928.63 = 2,712.22 : x
  2. Step 2: Convert to fraction form
    9,285.47/13,928.63 = 2,712.22/x
  3. Step 3: Cross multiply
    9,285.47x = 13,928.63 × 2,712.22
  4. Step 4: Simplify right side
    9,285.47x = 37,777,460.48
  5. Step 5: Solve for x
    x = 37,777,460.48/9,285.47
  6. Step 6: Final answer
    x = 4,068.45

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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.