Home / 9,203.76-12,705.48-5,425.74

Finding the Fourth Proportional to 9,203.76, 12,705.48 and 5,425.74

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Solution

The fourth proportional to 9,203.76, 12,705.48 and 5,425.74 is: 7,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.76 : 12,705.48 = 5,425.74 : x
  2. Step 2: Convert to fraction form
    9,203.76/12,705.48 = 5,425.74/x
  3. Step 3: Cross multiply
    9,203.76x = 12,705.48 × 5,425.74
  4. Step 4: Simplify right side
    9,203.76x = 68,936,631.06
  5. Step 5: Solve for x
    x = 68,936,631.06/9,203.76
  6. Step 6: Final answer
    x = 7,490.05

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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.