Home / 7,775.02-10,729.14-4,417.39

Finding the Fourth Proportional to 7,775.02, 10,729.14 and 4,417.39

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Solution

The fourth proportional to 7,775.02, 10,729.14 and 4,417.39 is: 6,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.02 : 10,729.14 = 4,417.39 : x
  2. Step 2: Convert to fraction form
    7,775.02/10,729.14 = 4,417.39/x
  3. Step 3: Cross multiply
    7,775.02x = 10,729.14 × 4,417.39
  4. Step 4: Simplify right side
    7,775.02x = 47,394,795.74
  5. Step 5: Solve for x
    x = 47,394,795.74/7,775.02
  6. Step 6: Final answer
    x = 6,095.78

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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.