Home / 7,775.60-10,730.76-4,418.72

Finding the Fourth Proportional to 7,775.60, 10,730.76 and 4,418.72

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Solution

The fourth proportional to 7,775.60, 10,730.76 and 4,418.72 is: 6,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.60 : 10,730.76 = 4,418.72 : x
  2. Step 2: Convert to fraction form
    7,775.60/10,730.76 = 4,418.72/x
  3. Step 3: Cross multiply
    7,775.60x = 10,730.76 × 4,418.72
  4. Step 4: Simplify right side
    7,775.60x = 47,416,223.83
  5. Step 5: Solve for x
    x = 47,416,223.83/7,775.60
  6. Step 6: Final answer
    x = 6,098.08

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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.