Home / 5,124.03-7,678.83-4,079.40

Finding the Fourth Proportional to 5,124.03, 7,678.83 and 4,079.40

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Solution

The fourth proportional to 5,124.03, 7,678.83 and 4,079.40 is: 6,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.03 : 7,678.83 = 4,079.40 : x
  2. Step 2: Convert to fraction form
    5,124.03/7,678.83 = 4,079.40/x
  3. Step 3: Cross multiply
    5,124.03x = 7,678.83 × 4,079.40
  4. Step 4: Simplify right side
    5,124.03x = 31,325,019.10
  5. Step 5: Solve for x
    x = 31,325,019.10/5,124.03
  6. Step 6: Final answer
    x = 6,113.36

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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.