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Finding the Fourth Proportional to 9,066.66, 12,512.10 and 5,088.06

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Solution

The fourth proportional to 9,066.66, 12,512.10 and 5,088.06 is: 7,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,066.66 : 12,512.10 = 5,088.06 : x
  2. Step 2: Convert to fraction form
    9,066.66/12,512.10 = 5,088.06/x
  3. Step 3: Cross multiply
    9,066.66x = 12,512.10 × 5,088.06
  4. Step 4: Simplify right side
    9,066.66x = 63,662,315.53
  5. Step 5: Solve for x
    x = 63,662,315.53/9,066.66
  6. Step 6: Final answer
    x = 7,021.58

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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.