Home / 7,814.48-10,787.68-5,926.40

Finding the Fourth Proportional to 7,814.48, 10,787.68 and 5,926.40

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Solution

The fourth proportional to 7,814.48, 10,787.68 and 5,926.40 is: 8,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.48 : 10,787.68 = 5,926.40 : x
  2. Step 2: Convert to fraction form
    7,814.48/10,787.68 = 5,926.40/x
  3. Step 3: Cross multiply
    7,814.48x = 10,787.68 × 5,926.40
  4. Step 4: Simplify right side
    7,814.48x = 63,932,106.75
  5. Step 5: Solve for x
    x = 63,932,106.75/7,814.48
  6. Step 6: Final answer
    x = 8,181.24

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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.