Home / 6,920.03-10,387.11-5,065.64

Finding the Fourth Proportional to 6,920.03, 10,387.11 and 5,065.64

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Solution

The fourth proportional to 6,920.03, 10,387.11 and 5,065.64 is: 7,603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.03 : 10,387.11 = 5,065.64 : x
  2. Step 2: Convert to fraction form
    6,920.03/10,387.11 = 5,065.64/x
  3. Step 3: Cross multiply
    6,920.03x = 10,387.11 × 5,065.64
  4. Step 4: Simplify right side
    6,920.03x = 52,617,307.96
  5. Step 5: Solve for x
    x = 52,617,307.96/6,920.03
  6. Step 6: Final answer
    x = 7,603.63

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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.