Home / 7,730.08-10,667.36-4,372.76

Finding the Fourth Proportional to 7,730.08, 10,667.36 and 4,372.76

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Solution

The fourth proportional to 7,730.08, 10,667.36 and 4,372.76 is: 6,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.08 : 10,667.36 = 4,372.76 : x
  2. Step 2: Convert to fraction form
    7,730.08/10,667.36 = 4,372.76/x
  3. Step 3: Cross multiply
    7,730.08x = 10,667.36 × 4,372.76
  4. Step 4: Simplify right side
    7,730.08x = 46,645,805.11
  5. Step 5: Solve for x
    x = 46,645,805.11/7,730.08
  6. Step 6: Final answer
    x = 6,034.32

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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.