Home / 5,678.03-8,516.14-1,783.35

Finding the Fourth Proportional to 5,678.03, 8,516.14 and 1,783.35

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Solution

The fourth proportional to 5,678.03, 8,516.14 and 1,783.35 is: 2,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.03 : 8,516.14 = 1,783.35 : x
  2. Step 2: Convert to fraction form
    5,678.03/8,516.14 = 1,783.35/x
  3. Step 3: Cross multiply
    5,678.03x = 8,516.14 × 1,783.35
  4. Step 4: Simplify right side
    5,678.03x = 15,187,253.81
  5. Step 5: Solve for x
    x = 15,187,253.81/5,678.03
  6. Step 6: Final answer
    x = 2,674.74

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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.