Home / 6,278.85-8,676.28-4,574.39

Finding the Fourth Proportional to 6,278.85, 8,676.28 and 4,574.39

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Solution

The fourth proportional to 6,278.85, 8,676.28 and 4,574.39 is: 6,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.85 : 8,676.28 = 4,574.39 : x
  2. Step 2: Convert to fraction form
    6,278.85/8,676.28 = 4,574.39/x
  3. Step 3: Cross multiply
    6,278.85x = 8,676.28 × 4,574.39
  4. Step 4: Simplify right side
    6,278.85x = 39,688,688.47
  5. Step 5: Solve for x
    x = 39,688,688.47/6,278.85
  6. Step 6: Final answer
    x = 6,321.01

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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.