Home / 7,678.14-11,520.46-4,564.10

Finding the Fourth Proportional to 7,678.14, 11,520.46 and 4,564.10

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Solution

The fourth proportional to 7,678.14, 11,520.46 and 4,564.10 is: 6,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.14 : 11,520.46 = 4,564.10 : x
  2. Step 2: Convert to fraction form
    7,678.14/11,520.46 = 4,564.10/x
  3. Step 3: Cross multiply
    7,678.14x = 11,520.46 × 4,564.10
  4. Step 4: Simplify right side
    7,678.14x = 52,580,531.49
  5. Step 5: Solve for x
    x = 52,580,531.49/7,678.14
  6. Step 6: Final answer
    x = 6,848.08

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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.