Home / 9,207.48-12,705.86-5,228.08

Finding the Fourth Proportional to 9,207.48, 12,705.86 and 5,228.08

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Solution

The fourth proportional to 9,207.48, 12,705.86 and 5,228.08 is: 7,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.48 : 12,705.86 = 5,228.08 : x
  2. Step 2: Convert to fraction form
    9,207.48/12,705.86 = 5,228.08/x
  3. Step 3: Cross multiply
    9,207.48x = 12,705.86 × 5,228.08
  4. Step 4: Simplify right side
    9,207.48x = 66,427,252.55
  5. Step 5: Solve for x
    x = 66,427,252.55/9,207.48
  6. Step 6: Final answer
    x = 7,214.49

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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.