Home / 7,775.34-10,730.25-4,418.72

Finding the Fourth Proportional to 7,775.34, 10,730.25 and 4,418.72

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Solution

The fourth proportional to 7,775.34, 10,730.25 and 4,418.72 is: 6,097.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.34 : 10,730.25 = 4,418.72 : x
  2. Step 2: Convert to fraction form
    7,775.34/10,730.25 = 4,418.72/x
  3. Step 3: Cross multiply
    7,775.34x = 10,730.25 × 4,418.72
  4. Step 4: Simplify right side
    7,775.34x = 47,413,970.28
  5. Step 5: Solve for x
    x = 47,413,970.28/7,775.34
  6. Step 6: Final answer
    x = 6,097.99

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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.