Home / 7,730.08-10,656.28-5,072.84

Finding the Fourth Proportional to 7,730.08, 10,656.28 and 5,072.84

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Solution

The fourth proportional to 7,730.08, 10,656.28 and 5,072.84 is: 6,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.08 : 10,656.28 = 5,072.84 : x
  2. Step 2: Convert to fraction form
    7,730.08/10,656.28 = 5,072.84/x
  3. Step 3: Cross multiply
    7,730.08x = 10,656.28 × 5,072.84
  4. Step 4: Simplify right side
    7,730.08x = 54,057,603.44
  5. Step 5: Solve for x
    x = 54,057,603.44/7,730.08
  6. Step 6: Final answer
    x = 6,993.15

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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.