Home / 4,278.35-6,417.02-1,505.12

Finding the Fourth Proportional to 4,278.35, 6,417.02 and 1,505.12

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Solution

The fourth proportional to 4,278.35, 6,417.02 and 1,505.12 is: 2,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.35 : 6,417.02 = 1,505.12 : x
  2. Step 2: Convert to fraction form
    4,278.35/6,417.02 = 1,505.12/x
  3. Step 3: Cross multiply
    4,278.35x = 6,417.02 × 1,505.12
  4. Step 4: Simplify right side
    4,278.35x = 9,658,356.82
  5. Step 5: Solve for x
    x = 9,658,356.82/4,278.35
  6. Step 6: Final answer
    x = 2,257.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.