Home / 7,278.02-10,043.07-4,134.68

Finding the Fourth Proportional to 7,278.02, 10,043.07 and 4,134.68

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Solution

The fourth proportional to 7,278.02, 10,043.07 and 4,134.68 is: 5,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.02 : 10,043.07 = 4,134.68 : x
  2. Step 2: Convert to fraction form
    7,278.02/10,043.07 = 4,134.68/x
  3. Step 3: Cross multiply
    7,278.02x = 10,043.07 × 4,134.68
  4. Step 4: Simplify right side
    7,278.02x = 41,524,880.67
  5. Step 5: Solve for x
    x = 41,524,880.67/7,278.02
  6. Step 6: Final answer
    x = 5,705.52

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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.